Tools for building with AI agents

The libraries, frameworks and dev tools that real projects built with AI coding agents actually use: 1101 tools from the dependency files of 12,697 public GitHub repos set up for Claude Code, Cursor, Copilot, Codex and others. For each tool: how many of those projects use it, what it is used together with, downloads and stars. Updated Oct 10, 2026.

@angular-devkit/build-angular npm · Build tools and bundlers
Angular CLI build facade for compiling Angular applications with Webpack.
Used in 45 agent projects (0.4%) · 3.3M downloads a week
@angular-devkit/core npm · Build tools and bundlers
Core utility library for Angular CLI providing build and project configuration tools.
Used in 28 agent projects (0.2%) · 26.8M downloads a week
@angular-devkit/schematics npm · Build tools and bundlers
Angular schematic library for code generation and project scaffolding.
Used in 29 agent projects (0.2%) · 23.2M downloads a week
@angular-eslint/eslint-plugin npm · Linting and formatting
ESLint plugin enforcing Angular style guide and best practices for Angular applications.
Used in 22 agent projects (0.2%) · 3.5M downloads a week
@antfu/eslint-config npm · Linting and formatting
Opinionated ESLint config preset with sensible defaults for modern projects.
Used in 41 agent projects (0.3%) · 506K downloads a week
@auth/core npm · Auth and security libraries
Flexible authentication library for web applications with built-in provider integrations.
Used in 26 agent projects (0.2%) · 4.9M downloads a week
@cloudflare/vite-plugin npm · Build tools and bundlers
Vite plugin for seamless Cloudflare Workers integration and deployment.
Used in 38 agent projects (0.3%) · 5.5M downloads a week
@codama/nodes-from-anchor npm · Crypto and web3
Generate Codama node specifications from Anchor IDL programs.
Used in 43 agent projects (0.3%) · 33.8K downloads a week
@codama/renderers-js npm · Crypto and web3
JavaScript code generator for Solana IDL that creates type-safe SDK clients.
Used in 41 agent projects (0.3%) · 42.5K downloads a week
@gorhom/bottom-sheet npm · Desktop and mobile apps
Performant interactive bottom sheet component for React Native with full customization.
Used in 28 agent projects (0.2%) · 3M downloads a week
@hello-pangea/dnd npm · UI components and icons
Accessible drag-and-drop library for React lists and grids.
Used in 23 agent projects (0.2%) · 3.2M downloads a week
@ianvs/prettier-plugin-sort-imports npm · Linting and formatting
Prettier plugin that sorts imports according to customizable regex patterns.
Used in 29 agent projects (0.2%) · 1.1M downloads a week
@icons-pack/react-simple-icons npm · UI components and icons
React components for Simple Icons, providing 3000+ brand SVG icons.
Used in 29 agent projects (0.2%) · 1.1M downloads a week
@internationalized/date npm · Utilities
Internationalized date and time utilities for calendar, formatting and parsing.
Used in 40 agent projects (0.3%) · 16.6M downloads a week
@jridgewell/trace-mapping npm · Dev workflow and config
Library for resolving original positions through source maps for debugging.
Used in 38 agent projects (0.3%) · 265M downloads a week
@lhci/cli npm · Logging, monitoring and analytics
Lighthouse CI command-line tool for continuous performance monitoring and testing.
Used in 27 agent projects (0.2%) · 1.8M downloads a week
@monaco-editor/react npm · Markdown, editors and content
React wrapper for Monaco editor (VS Code editor) without webpack configuration.
Used in 53 agent projects (0.4%) · 7.3M downloads a week
@noble/curves npm · Auth and security libraries
Audited minimal JavaScript implementation of elliptic curve cryptography.
Used in 46 agent projects (0.4%) · 33.1M downloads a week
@noble/ed25519 npm · Auth and security libraries
Fast, compact JavaScript implementation of Ed25519 signatures for cryptographic operations.
Used in 30 agent projects (0.2%) · 3.3M downloads a week
@noble/hashes npm · Auth and security libraries
Audited zero-dependency JavaScript implementation of SHA, BLAKE, HMAC, HKDF, PBKDF.
Used in 55 agent projects (0.4%) · 94.6M downloads a week
@nomicfoundation/hardhat-chai-matchers npm · Testing
Hardhat plugin with custom chai matchers for testing smart contracts.
Used in 36 agent projects (0.3%) · 156K downloads a week
@nx/angular npm · Build tools and bundlers
Nx plugin providing generators and executors for Angular development in monorepos.
Used in 29 agent projects (0.2%) · 1.1M downloads a week
@nx/devkit npm · Build tools and bundlers
Developer utilities for extending Nx with custom executors and generators.
Used in 43 agent projects (0.3%) · 8.8M downloads a week
@nx/esbuild npm · Build tools and bundlers
Nx plugin adding esbuild integration for fast bundling in monorepo workflows.
Used in 26 agent projects (0.2%) · 1.1M downloads a week
@nx/playwright npm · Testing
Nx plugin providing Playwright integration testing executors and generators.
Used in 28 agent projects (0.2%) · 1.4M downloads a week
@nx/react npm · Build tools and bundlers
Nx plugin for managing React apps and libraries with integrated tooling.
Used in 43 agent projects (0.3%) · 2.1M downloads a week
@nx/vitest npm · Testing
Nx plugin for fast unit testing with Vitest in monorepo projects.
Used in 36 agent projects (0.3%) · 2.3M downloads a week
@octokit/rest npm · SDKs for hosted services
Official GitHub REST API client for Node.js with full API coverage.
Used in 40 agent projects (0.3%) · 20M downloads a week
@opennextjs/cloudflare npm · Build tools and bundlers
Builder for deploying Next.js apps to Cloudflare Workers and Pages.
Used in 29 agent projects (0.2%) · 1.5M downloads a week
@openrouter/ai-sdk-provider npm · Model SDKs
OpenRouter provider for Vercel AI SDK enabling access to multiple LLMs.
Used in 28 agent projects (0.2%) · 3M downloads a week
@pythnetwork/client npm · Crypto and web3
JavaScript client for consuming Pyth oracle price feeds for on-chain and off-chain applications.
Used in 26 agent projects (0.2%) · 16.1K downloads a week
@react-email/render npm · Markdown, editors and content
Transform React components into HTML email templates.
Used in 44 agent projects (0.3%) · 15.9M downloads a week
@react-navigation/elements npm · UI components and icons
UI component library for building React Native navigation interfaces.
Used in 42 agent projects (0.3%) · 5.3M downloads a week
@react-pdf/renderer npm · Files, images and media
Create PDF files programmatically on browser and server using React components.
Used in 49 agent projects (0.4%) · 6.5M downloads a week
@react-router/dev npm · Web frameworks
Development tools and CLI for React Router v7 framework.
Used in 26 agent projects (0.2%) · 2.5M downloads a week
@rollup/plugin-commonjs npm · Build tools and bundlers
Rollup plugin to convert CommonJS modules to ES2015 for bundling.
Used in 41 agent projects (0.3%) · 23.4M downloads a week
@rollup/plugin-node-resolve npm · Build tools and bundlers
Rollup plugin to resolve and bundle third-party dependencies from node_modules.
Used in 40 agent projects (0.3%) · 19.2M downloads a week
@rollup/plugin-replace npm · Build tools and bundlers
Rollup plugin to replace strings and variables during bundling.
Used in 26 agent projects (0.2%) · 14.5M downloads a week
@rollup/plugin-typescript npm · Build tools and bundlers
Rollup plugin for seamless TypeScript compilation and bundling integration.
Used in 30 agent projects (0.2%) · 3.4M downloads a week
@schematics/angular npm · Build tools and bundlers
Angular-specific code generation schematics for Angular CLI scaffolding.
Used in 28 agent projects (0.2%) · 6.5M downloads a week
@scure/base npm · Utilities
Secure base encoding/decoding for base64, bech32, base58, base32, base16.
Used in 24 agent projects (0.2%) · 10.8M downloads a week
@scure/bip39 npm · Crypto and web3
Audited BIP39 mnemonic phrase implementation for cryptographic key generation in blockchain applications.
Used in 22 agent projects (0.2%)
@semantic-release/changelog npm · Dev workflow and config
Plugin for semantic-release to automatically generate and update changelog files.
Used in 41 agent projects (0.3%) · 1.3M downloads a week
@semantic-release/git npm · Dev workflow and config
Semantic Release plugin to commit release assets to git repository.
Used in 43 agent projects (0.3%) · 1.9M downloads a week
@semantic-release/github npm · Dev workflow and config
Semantic release plugin for automated GitHub releases and pull request comments.
Used in 28 agent projects (0.2%) · 3.2M downloads a week
@sentry/react-native npm · Logging, monitoring and analytics
Official Sentry SDK for error tracking and performance monitoring in React Native apps.
Used in 26 agent projects (0.2%) · 3.7M downloads a week
@solana-program/memo npm · Crypto and web3
JavaScript client library for interacting with the Solana Memo program.
Used in 44 agent projects (0.3%) · 303K downloads a week
@solana/buffer-layout npm · Crypto and web3
Serialize and deserialize JavaScript values to Solana program buffers.
Used in 46 agent projects (0.4%) · 2.3M downloads a week
@solana/spl-token-metadata npm · Crypto and web3
JavaScript SDK for Solana SPL Token metadata standard and program interactions.
Used in 26 agent projects (0.2%) · 882K downloads a week
@solana/spl-token-registry npm · Crypto and web3
Registry of Solana token metadata for displaying token info in applications.
Used in 41 agent projects (0.3%) · 81.2K downloads a week
@stylistic/eslint-plugin npm · Linting and formatting
ESLint plugin providing stylistic rules for code formatting and consistency.
Used in 47 agent projects (0.4%) · 4.9M downloads a week
@swc/jest npm · Testing
Jest integration using SWC for fast TypeScript and JavaScript test compilation.
Used in 29 agent projects (0.2%) · 8.5M downloads a week
@tanstack/eslint-plugin-query npm · Linting and formatting
ESLint plugin with rules and best practices for TanStack Query usage.
Used in 37 agent projects (0.3%) · 3.5M downloads a week
@typechain/hardhat npm · Crypto and web3
Zero-config TypeChain integration for Hardhat to generate types from smart contracts.
Used in 36 agent projects (0.3%) · 183K downloads a week
@use-gesture npm · Animation and motion
React hook for handling mouse, touch and pointer gestures.
Used in 23 agent projects (0.2%) · 7.1M downloads a week
@vercel/functions npm · HTTP servers and APIs
Runtime functions API for Vercel Functions serverless deployments.
Used in 40 agent projects (0.3%) · 9.2M downloads a week
@vercel/og npm · Files, images and media
Generate Open Graph images dynamically from HTML/CSS without a browser.
Used in 42 agent projects (0.3%) · 2.1M downloads a week
@walletconnect/ethereum-provider npm · Crypto and web3
Ethereum provider implementation for WalletConnect protocol enabling wallet connections.
Used in 29 agent projects (0.2%) · 1.4M downloads a week
@xterm/addon-fit npm · UI components and icons
xterm.js addon that automatically fits terminal dimensions to container size.
Used in 30 agent projects (0.2%) · 4.5M downloads a week
ABIType npm · Crypto and web3
Strict TypeScript types for Ethereum smart contract ABIs.
Used in 24 agent projects (0.2%) · 8.2M downloads a week
adm-zip npm · Files, images and media
Pure JavaScript zip file creation and extraction for Node.js, supporting both in-memory and disk I/O operations.
Used in 22 agent projects (0.2%) · 23.1M downloads a week
AI SDK npm · Model SDKs
Vercel's unified SDK for building AI apps with OpenAI, Anthropic, Google and more.
Used in 328 agent projects (2.6%) · 29.8M downloads a week
aiofiles pypi · Utilities
Async file I/O library for non-blocking file operations in Python asyncio applications.
Used in 100 agent projects (0.8%) · 29.9M downloads a week
aiohttp pypi · HTTP clients and networking
Async HTTP client/server framework for Python with WebSocket support.
Used in 295 agent projects (2.3%) · 117M downloads a week
aiosqlite pypi · Databases, ORMs and clients
Asyncio wrapper for SQLite enabling non-blocking database operations in Python.
Used in 86 agent projects (0.7%) · 15.6M downloads a week
Ajv npm · Forms, validation and schemas
Fast JSON Schema validator for runtime schema validation and serialization.
Used in 131 agent projects (1.0%) · 391M downloads a week
ajv-formats npm · Forms, validation and schemas
Format validation plugin for Ajv JSON schema validator (email, UUID, date, etc).
Used in 56 agent projects (0.4%) · 141M downloads a week
Alchemy SDK npm · Crypto and web3
Extended Ethers.js SDK for Alchemy APIs, simplifying blockchain development on EVM networks.
Used in 22 agent projects (0.2%) · 78.2K downloads a week
Alembic pypi · Databases, ORMs and clients
Database migration tool for SQLAlchemy managing schema changes reliably.
Used in 115 agent projects (0.9%) · 47.1M downloads a week
Allure Playwright npm · Testing
Allure reporting integration for Playwright end-to-end tests.
Used in 23 agent projects (0.2%) · 1.3M downloads a week
Alpine.js npm · Web frameworks
Rugged minimal JavaScript framework for adding interactivity to HTML with small bundle.
Used in 36 agent projects (0.3%) · 713K downloads a week
amqplib npm · Jobs, queues and workflows
AMQP 0-9-1 client library for RabbitMQ and message-based workflows.
Used in 20 agent projects (0.2%) · 3M downloads a week
Anchor npm · Crypto and web3
Framework for developing Solana smart contracts with TypeScript and Rust.
Used in 438 agent projects (3.4%) · 851K downloads a week
anchor-bankrun npm · Crypto and web3
Testing framework extension combining Anchor and Solana Bankrun.
Used in 24 agent projects (0.2%) · 12.8K downloads a week
Anchorpy pypi · SDKs for hosted services
Python client library for interacting with Anchor programs on Solana blockchain.
Used in 58 agent projects (0.5%) · 24.2K downloads a week
Angular npm · Web frameworks
Full-featured web framework with TypeScript, dependency injection and RxJS.
Used in 104 agent projects (0.8%) · 5.9M downloads a week
angular-eslint npm · Linting and formatting
ESLint integration and linting rules for Angular projects and TypeScript.
Used in 55 agent projects (0.4%) · 1.9M downloads a week
Animate.css npm · Animation and motion
Ready-to-use CSS animations library for quick add-and-play effects on web elements.
Used in 20 agent projects (0.2%) · 549K downloads a week
Anime.js npm · Animation and motion
Lightweight JavaScript animation engine for creating smooth animations.
Used in 35 agent projects (0.3%) · 1M downloads a week
Ant Design npm · UI components and icons
Enterprise-grade React component library with complete UI design system.
Used in 75 agent projects (0.6%) · 3.7M downloads a week
Ant Design Icons npm · UI components and icons
Comprehensive icon library for Ant Design and React projects.
Used in 31 agent projects (0.2%) · 4.1M downloads a week
Anthropic Python SDK pypi · Model SDKs
Official Python library for calling Claude via the Anthropic API.
Used in 115 agent projects (0.9%) · 40.9M downloads a week
Anthropic SDK npm · Model SDKs
Official TypeScript SDK for calling Claude API and building agent applications.
Used in 211 agent projects (1.7%) · 46.5M downloads a week
AnyIO pypi · HTTP clients and networking
Async I/O framework supporting both asyncio and Trio with high-level networking abstractions.
Used in 186 agent projects (1.5%) · 206M downloads a week
AOS npm · Animation and motion
JavaScript library that triggers CSS animations when elements scroll into view.
Used in 28 agent projects (0.2%) · 280K downloads a week
Apache ECharts npm · Charts and data visualisation
Powerful interactive charting library for data visualization in browsers.
Used in 34 agent projects (0.3%) · 5.8M downloads a week
ApexCharts npm · Charts and data visualisation
Interactive JavaScript charting library for creating modern data visualizations.
Used in 29 agent projects (0.2%) · 2M downloads a week
Apollo Client npm · State and data fetching
Caching GraphQL client for fetching, caching and managing remote data.
Used in 46 agent projects (0.4%) · 6.2M downloads a week
APScheduler pypi · Jobs, queues and workflows
In-process task scheduler with Cron-like capabilities for Python applications.
Used in 50 agent projects (0.4%) · 8.9M downloads a week
archiver npm · Files, images and media
Create ZIP and TAR archives with streaming interface for server-side compression.
Used in 47 agent projects (0.4%) · 46.6M downloads a week
argon2-cffi pypi · Auth and security libraries
Python binding for Argon2 password hashing algorithm.
Used in 32 agent projects (0.3%) · 16.4M downloads a week
asgiref pypi · HTTP servers and APIs
ASGI spec implementation and utilities for building async Python web applications.
Used in 30 agent projects (0.2%) · 31.2M downloads a week
Astro npm · Web frameworks
Modern static site builder with partial hydration and zero JavaScript by default.
Used in 133 agent projects (1.0%) · 7.1M downloads a week
asyncpg pypi · Databases, ORMs and clients
Fast asyncio PostgreSQL driver for non-blocking database operations in Python.
Used in 97 agent projects (0.8%) · 29.4M downloads a week
attrs pypi · Utilities
Python library that reduces boilerplate for class definitions.
Used in 128 agent projects (1.0%) · 177M downloads a week
Auth.js Prisma Adapter npm · Auth and security libraries
Prisma ORM adapter for Auth.js enabling session and account storage integration.
Used in 56 agent projects (0.4%) · 816K downloads a week
Authlib pypi · Auth and security libraries
Ultimate Python library for building OAuth and OpenID Connect servers and clients.
Used in 27 agent projects (0.2%) · 28M downloads a week
AWS SDK for JavaScript (S3) npm · SDKs for hosted services
Official AWS SDK for uploading, downloading and managing S3 objects.
Used in 200 agent projects (1.6%) · 49.4M downloads a week
axe-core npm · Testing
Automated accessibility testing engine for finding and fixing UI accessibility issues.
Used in 42 agent projects (0.3%) · 78.2M downloads a week
axe-core Playwright npm · Testing
Accessibility testing integration for Playwright enabling automated WCAG compliance checks.
Used in 98 agent projects (0.8%) · 13.7M downloads a week
Axios npm · HTTP clients and networking
Promise-based HTTP client for browser and Node.js with interceptors.
Used in 1,264 agent projects (10.0%) · 115M downloads a week
Azure Identity npm · Auth and security libraries
Credential implementations for Azure SDK to authenticate with Microsoft Entra ID.
Used in 25 agent projects (0.2%) · 16.5M downloads a week
azure-identity pypi · Auth and security libraries
Microsoft Azure identity authentication library for Python.
Used in 43 agent projects (0.3%) · 29.2M downloads a week
Babel (JavaScript) npm · Build tools and bundlers
JavaScript compiler for transforming modern JavaScript to compatible code.
Used in 484 agent projects (3.8%) · 187M downloads a week
Babel (Python) pypi · Utilities
Internationalization utilities for Python with date/time formatting.
Used in 25 agent projects (0.2%) · 25.5M downloads a week
Babel Loader npm · Build tools and bundlers
Webpack loader that transpiles JavaScript using Babel for broad browser compatibility.
Used in 144 agent projects (1.1%) · 22.7M downloads a week
babel-plugin-module-resolver npm · Build tools and bundlers
Babel plugin for cleaner module imports with custom path aliases.
Used in 34 agent projects (0.3%) · 3.8M downloads a week
babel-preset-expo npm · Build tools and bundlers
Babel preset configured for Expo React Native projects with proper transformations.
Used in 30 agent projects (0.2%) · 11M downloads a week
backoff pypi · Utilities
Python decorator for implementing exponential backoff and retry logic.
Used in 24 agent projects (0.2%) · 32M downloads a week
Base UI npm · UI components and icons
Headless React components and hooks with complete styling control and accessibility.
Used in 148 agent projects (1.2%) · 16.6M downloads a week
base58 pypi · Crypto and web3
Base58 and Base58Check encoding/decoding for cryptocurrency addresses.
Used in 242 agent projects (1.9%) · 817K downloads a week
baseline-browser-mapping npm · Dev workflow and config
Maps browser versions to their maximum supported Baseline features for compatibility targeting.
Used in 75 agent projects (0.6%) · 18M downloads a week
bcrypt (JavaScript) npm · Auth and security libraries
Password hashing library for secure credential storage in Node.js applications.
Used in 103 agent projects (0.8%) · 6.3M downloads a week
bcrypt (Python) pypi · Auth and security libraries
Modern password hashing library with secure bcrypt algorithm implementation.
Used in 68 agent projects (0.5%) · 37.2M downloads a week
bcryptjs npm · Auth and security libraries
Pure JavaScript bcrypt implementation for secure password hashing without dependencies.
Used in 256 agent projects (2.0%) · 14.7M downloads a week
Beautiful Soup pypi · Scraping, browsers and parsing
Python HTML/XML parsing and screen-scraping library for web data extraction.
Used in 160 agent projects (1.3%) · 69M downloads a week
Better Auth npm · Auth and security libraries
Comprehensive authentication framework for TypeScript with multiple strategies.
Used in 126 agent projects (1.0%) · 11.4M downloads a week
better-sqlite3 npm · Databases, ORMs and clients
Fastest and simplest SQLite library for Node.js with synchronous API.
Used in 162 agent projects (1.3%) · 11.3M downloads a week
big.js npm · Utilities
Lightweight arbitrary-precision decimal arithmetic library for financial and numeric calculations.
Used in 25 agent projects (0.2%) · 33M downloads a week
bignumber.js npm · Utilities
Arbitrary-precision arithmetic library for handling large numbers and decimal calculations.
Used in 101 agent projects (0.8%) · 64.1M downloads a week
Biome npm · Linting and formatting
Fast web toolchain providing linting, formatting and code quality all in one.
Used in 445 agent projects (3.5%) · 17.7M downloads a week
bip32 npm · Crypto and web3
BIP32 compatible hierarchical deterministic key derivation for cryptocurrency wallets.
Used in 20 agent projects (0.2%) · 609K downloads a week
bip39 npm · Crypto and web3
Generate Bitcoin mnemonic phrases and derive deterministic keys.
Used in 128 agent projects (1.0%) · 729K downloads a week
bitarray pypi · Utilities
Efficient C extension for storing arrays of boolean values.
Used in 29 agent projects (0.2%) · 3.8M downloads a week
bitcoinjs-lib npm · Crypto and web3
JavaScript Bitcoin library for client-side transaction building.
Used in 25 agent projects (0.2%) · 690K downloads a week
Bits UI npm · UI components and icons
Headless UI component library for Svelte with unstyled, composable components.
Used in 27 agent projects (0.2%) · 1.2M downloads a week
Black pypi · Linting and formatting
Uncompromising Python code formatter enforcing consistent style automatically.
Used in 108 agent projects (0.9%) · 28.7M downloads a week
Bleach pypi · Scraping, browsers and parsing
Sanitizes HTML and prevents XSS attacks with a safelist-based approach.
Used in 24 agent projects (0.2%) · 16.3M downloads a week
blinker pypi · Utilities
Fast signaling library for Python object-to-object and broadcast communication.
Used in 40 agent projects (0.3%) · 39.2M downloads a week
bn.js npm · Utilities
Big number library for handling arbitrary-precision integers in JavaScript.
Used in 217 agent projects (1.7%) · 62.1M downloads a week
body-parser npm · HTTP servers and APIs
Express.js middleware for parsing request bodies in various formats.
Used in 78 agent projects (0.6%) · 148M downloads a week
Bootstrap npm · UI components and icons
Popular CSS framework with responsive grid and pre-built UI components.
Used in 82 agent projects (0.6%) · 5.8M downloads a week
Bootstrap Icons npm · UI components and icons
Official SVG icon library with hundreds of icons, compatible with Bootstrap and any project.
Used in 22 agent projects (0.2%) · 802K downloads a week
Borsh npm · Crypto and web3
Binary serializer for Solana and web3 using consistent schema-based encoding.
Used in 67 agent projects (0.5%) · 2.3M downloads a week
borsh-construct pypi · Crypto and web3
Python implementation of Borsh binary serialization for blockchain data.
Used in 35 agent projects (0.3%) · 28.4K downloads a week
Boto3 pypi · SDKs for hosted services
Official AWS SDK for Python enabling developers to write software using AWS services.
Used in 62 agent projects (0.5%) · 587M downloads a week
botocore pypi · SDKs for hosted services
Low-level data-driven AWS SDK core providing service clients and resource APIs.
Used in 27 agent projects (0.2%) · 205M downloads a week
boxen npm · Dev workflow and config
Create visually styled boxes in the terminal for CLI output and notifications.
Used in 37 agent projects (0.3%) · 29.1M downloads a week
Browser Image Compression npm · Files, images and media
Compress images in the browser before upload for smaller file sizes.
Used in 21 agent projects (0.2%) · 1.5M downloads a week
Browserslist npm · Build tools and bundlers
Share target browser specifications between build tools like Autoprefixer and Babel.
Used in 21 agent projects (0.2%) · 197M downloads a week
Browsersync npm · Dev workflow and config
Development tool that automatically syncs and refreshes code changes across multiple browsers.
Used in 30 agent projects (0.2%) · 633K downloads a week
buffer-layout npm · Utilities
Binary data serialization library for encoding/decoding structured buffers.
Used in 35 agent projects (0.3%) · 575K downloads a week
BullMQ npm · Jobs, queues and workflows
Fast, reliable Redis-backed queue for jobs and messages in Node.js.
Used in 43 agent projects (0.3%) · 9.6M downloads a week
c8 npm · Testing
Native Node.js code coverage reporter using V8's built-in coverage, faster and simpler than alternatives.
Used in 22 agent projects (0.2%) · 4.1M downloads a week
cachetools pypi · Utilities
Caching decorators and memoization utilities for Python functions.
Used in 81 agent projects (0.6%) · 59.1M downloads a week
canvas-confetti npm · Animation and motion
Performant confetti animation library for creating celebratory effects in browsers.
Used in 103 agent projects (0.8%) · 8.5M downloads a week
Capacitor npm · Desktop and mobile apps
Build cross-platform native apps with JavaScript, HTML and CSS.
Used in 74 agent projects (0.6%) · 5.2M downloads a week
CCXT pypi · SDKs for hosted services
Unified cryptocurrency trading API supporting 100+ exchanges across multiple languages.
Used in 20 agent projects (0.2%) · 548K downloads a week
Celery pypi · Jobs, queues and workflows
Distributed task queue for Python executing jobs asynchronously across workers.
Used in 48 agent projects (0.4%) · 11M downloads a week
CFFI pypi · Languages, types and runtimes
Foreign Function Interface for calling C code from Python.
Used in 84 agent projects (0.7%) · 248M downloads a week
Chai npm · Testing
BDD/TDD assertion library for Node.js and browsers with expressive syntax.
Used in 305 agent projects (2.4%) · 14M downloads a week
Chainlink Contracts npm · Crypto and web3
Smart contract interfaces and implementations for Chainlink oracle integration on EVM networks.
Used in 22 agent projects (0.2%) · 46.2K downloads a week
Chakra UI npm · UI components and icons
Accessible React component library with built-in theming and responsive design.
Used in 86 agent projects (0.7%) · 1.6M downloads a week
chalk npm · Dev workflow and config
Terminal string styling library for colorful and formatted CLI output.
Used in 222 agent projects (1.7%) · 492M downloads a week
Changesets npm · Dev workflow and config
Manage versioning and changelogs in monorepos with declarative version updates.
Used in 146 agent projects (1.1%) · 5.6M downloads a week
chardet pypi · Utilities
Detect character encoding automatically in text and files.
Used in 25 agent projects (0.2%) · 37M downloads a week
charset-normalizer pypi · Utilities
Detect and normalize character encoding in text with modern alternative to Chardet.
Used in 158 agent projects (1.2%) · 313M downloads a week
Chart.js npm · Charts and data visualisation
Simple HTML5 canvas-based charting library for creating interactive data visualizations.
Used in 165 agent projects (1.3%) · 12.7M downloads a week
Checkov pypi · Linting and formatting
Static analysis tool for infrastructure-as-code to detect security and compliance issues.
Used in 26 agent projects (0.2%) · 1.1M downloads a week
Cheerio npm · Scraping, browsers and parsing
jQuery-like syntax for parsing and manipulating HTML/XML with server-side speed.
Used in 94 agent projects (0.7%) · 26.6M downloads a week
chokidar npm · Dev workflow and config
Minimal, efficient cross-platform file watching library for build tools and dev servers.
Used in 63 agent projects (0.5%) · 171M downloads a week
Chroma pypi · ML and data science
Vector database for storing and querying embeddings in AI/ML applications.
Used in 56 agent projects (0.4%) · 1.7M downloads a week
Chromatic npm · Testing
Visual testing and component documentation platform for UI libraries.
Used in 31 agent projects (0.2%) · 8.3M downloads a week
Chromatic for Storybook npm · Testing
Visual testing addon for Storybook to catch UI regressions and visual bugs.
Used in 53 agent projects (0.4%) · 5.3M downloads a week
Clack Prompts npm · Dev workflow and config
Framework for building beautiful, user-friendly command-line interfaces.
Used in 24 agent projects (0.2%) · 29.6M downloads a week
Class Variance Authority npm · UI components and icons
Type-safe CSS class composition for component variants and styling.
Used in 1,791 agent projects (14.1%) · 66.3M downloads a week
class-transformer npm · Forms, validation and schemas
Decorator-based transformation and serialization of plain objects to classes.
Used in 27 agent projects (0.2%) · 12.9M downloads a week
class-validator npm · Forms, validation and schemas
Decorator-based property validation for classes with TypeScript support.
Used in 28 agent projects (0.2%) · 12.3M downloads a week
classnames npm · Utilities
Utility for conditionally combining class names in React and other JavaScript projects.
Used in 86 agent projects (0.7%) · 33.5M downloads a week
clean-webpack-plugin npm · Build tools and bundlers
Webpack plugin to automatically clean build output folders before each build.
Used in 62 agent projects (0.5%) · 1.9M downloads a week
Clerk npm · Auth and security libraries
Modern authentication and user management SDK for Next.js and React.
Used in 75 agent projects (0.6%) · 2.7M downloads a week
cli-table3 npm · Dev workflow and config
Format CLI output as pretty unicode tables for readable command-line data display.
Used in 48 agent projects (0.4%) · 34.1M downloads a week
Click pypi · Dev workflow and config
Python package for composing command-line interfaces with decorators.
Used in 223 agent projects (1.8%) · 219M downloads a week
Cloudflare Workers Types npm · Languages, types and runtimes
TypeScript type definitions for Cloudflare Workers runtime.
Used in 84 agent projects (0.7%) · 12.1M downloads a week
Cloudinary npm · SDKs for hosted services
SDK for uploading, transforming, optimizing and managing images/videos on Cloudinary.
Used in 55 agent projects (0.4%) · 1.1M downloads a week
clsx npm · Utilities
Tiny utility for conditionally constructing className strings.
Used in 2,251 agent projects (17.7%) · 126M downloads a week
cmdk npm · UI components and icons
Command menu component library for React applications.
Used in 687 agent projects (5.4%) · 42.2M downloads a week
COBE npm · 3D and graphics
Lightweight 3D globe library for interactive planet visualizations in web projects.
Used in 41 agent projects (0.3%) · 566K downloads a week
Codama npm · Crypto and web3
Framework for building standardized Solana programs with IDL generation.
Used in 42 agent projects (0.3%) · 46K downloads a week
CodeMirror npm · Markdown, editors and content
Extensible code editor for the browser with rich language support.
Used in 44 agent projects (0.3%) · 15M downloads a week
Coinbase SDK npm · SDKs for hosted services
Official SDK for integrating Coinbase Platform APIs into Node.js applications.
Used in 22 agent projects (0.2%) · 7,773 downloads a week
Colorama pypi · Utilities
Cross-platform library for rendering colored terminal text in Python applications.
Used in 119 agent projects (0.9%) · 62.8M downloads a week
colorlog pypi · Dev workflow and config
Add colored output to Python logging for better readability.
Used in 23 agent projects (0.2%) · 10.2M downloads a week
Commander npm · Dev workflow and config
Complete Node.js solution for building command-line interfaces with minimal boilerplate.
Used in 185 agent projects (1.5%) · 527M downloads a week
commitizen npm · Dev workflow and config
Tooling for standardized git commits following conventional commit format.
Used in 44 agent projects (0.3%) · 1.8M downloads a week
compression npm · HTTP servers and APIs
Node.js middleware for gzip/deflate compression of HTTP responses.
Used in 57 agent projects (0.4%) · 44.4M downloads a week
Compute Budget npm · Crypto and web3
JavaScript client library for Solana's Compute Budget program.
Used in 20 agent projects (0.2%) · 1M downloads a week
concurrently npm · Dev workflow and config
Run multiple npm scripts concurrently for efficient development workflows.
Used in 572 agent projects (4.5%) · 22.2M downloads a week
connect-pg-simple npm · Databases, ORMs and clients
PostgreSQL session store for Express/Connect applications.
Used in 33 agent projects (0.3%) · 759K downloads a week
ConnectKit npm · Crypto and web3
Simplified wallet connection UI component for web3 applications.
Used in 37 agent projects (0.3%) · 17.7K downloads a week
Construct pypi · Utilities
Declarative parser and builder for binary data structures with symmetric field definitions.
Used in 116 agent projects (0.9%) · 1.4M downloads a week
contourpy pypi · Charts and data visualisation
Fast Python library for calculating contours from 2D quadrilateral grids, used for scientific visualization.
Used in 23 agent projects (0.2%) · 34.5M downloads a week
Convex npm · SDKs for hosted services
Client SDK for Convex Cloud backend-as-a-service with real-time data sync.
Used in 37 agent projects (0.3%) · 1.7M downloads a week
cookie npm · Utilities
HTTP cookie parsing and serialization for Node.js servers.
Used in 33 agent projects (0.3%) · 228M downloads a week
cookie-parser npm · HTTP servers and APIs
Express middleware for parsing and handling HTTP request cookies.
Used in 59 agent projects (0.5%) · 11.7M downloads a week
Copy to Clipboard npm · Utilities
Copy text to clipboard in browser with fallback for unsupported environments.
Used in 21 agent projects (0.2%) · 11.2M downloads a week
Copy Webpack Plugin npm · Build tools and bundlers
Webpack plugin for copying files and directories during build process.
Used in 108 agent projects (0.9%) · 11.5M downloads a week
core-js npm · Languages, types and runtimes
Modular polyfill library for ES2015+ features in JavaScript.
Used in 35 agent projects (0.3%) · 69.1M downloads a week
cors npm · HTTP servers and APIs
Express/Node.js middleware for handling Cross-Origin Resource Sharing.
Used in 422 agent projects (3.3%) · 86.8M downloads a week
coverage pypi · Testing
Python code coverage measurement tool, tracking which code is executed and generating coverage reports.
Used in 22 agent projects (0.2%) · 71M downloads a week
Craco npm · Build tools and bundlers
Override Create React App configuration without ejecting.
Used in 20 agent projects (0.2%) · 555K downloads a week
Critters npm · Build tools and bundlers
Inlines critical CSS and lazy-loads remainder for faster page rendering.
Used in 23 agent projects (0.2%) · 1.3M downloads a week
cross-env npm · Dev workflow and config
Set environment variables across Windows, Mac and Linux in npm scripts.
Used in 265 agent projects (2.1%) · 25.8M downloads a week
cross-fetch npm · HTTP clients and networking
Universal WHATWG Fetch API implementation for Node, browsers and React Native.
Used in 36 agent projects (0.3%) · 38M downloads a week
crypto-js npm · Auth and security libraries
JavaScript library implementing cryptographic standards for encryption and hashing.
Used in 100 agent projects (0.8%) · 15.1M downloads a week
cryptography pypi · Auth and security libraries
Python library providing cryptographic recipes and primitives for secure applications.
Used in 213 agent projects (1.7%) · 281M downloads a week
cspell npm · Linting and formatting
Spell checker for code that finds and fixes spelling errors in source files.
Used in 27 agent projects (0.2%) · 1.5M downloads a week
css-loader npm · Build tools and bundlers
Webpack loader for importing CSS as modules enabling styles scoping and composition.
Used in 86 agent projects (0.7%) · 28.2M downloads a week
cssnano npm · Linting and formatting
Modular CSS minifier built on PostCSS for optimized stylesheets.
Used in 33 agent projects (0.3%) · 17.8M downloads a week
csv-parse npm · Scraping, browsers and parsing
Parse CSV files using Node.js streaming Transform API for memory-efficient processing.
Used in 51 agent projects (0.4%) · 20.6M downloads a week
cuid2 npm · Utilities
Collision-resistant unique ID generator optimized for databases.
Used in 23 agent projects (0.2%) · 21M downloads a week
curl-cffi pypi · HTTP clients and networking
libcurl FFI bindings for Python with browser impersonation support.
Used in 25 agent projects (0.2%) · 7.4M downloads a week
Cypress npm · Testing
Modern end-to-end testing framework built for web applications with excellent developer experience.
Used in 51 agent projects (0.4%) · 6M downloads a week
cz-conventional-changelog npm · Dev workflow and config
Commitizen adapter enforcing conventional commit message format.
Used in 34 agent projects (0.3%) · 1.9M downloads a week
D3.js npm · Charts and data visualisation
JavaScript library for creating data-driven documents with powerful data visualization capabilities.
Used in 63 agent projects (0.5%) · 22.2M downloads a week
daisyUI npm · UI components and icons
Tailwind CSS component library with ready-to-use styled UI components.
Used in 145 agent projects (1.1%) · 1M downloads a week
date-fns npm · Utilities
Modern JavaScript date utility library with comprehensive formatting functions.
Used in 1,079 agent projects (8.5%) · 97.6M downloads a week
date-fns-tz npm · Utilities
Time zone support for date-fns using the Intl API.
Used in 45 agent projects (0.4%) · 10.8M downloads a week
Day.js npm · Utilities
2KB immutable date/time library with modern API as lightweight Moment.js alternative.
Used in 158 agent projects (1.2%) · 74.6M downloads a week
debug npm · Logging, monitoring and analytics
Lightweight debugging utility for Node.js and browser with namespace-based filtering.
Used in 42 agent projects (0.3%) · 576M downloads a week
debugpy pypi · Dev workflow and config
Debug Adapter Protocol implementation for Python debugging.
Used in 23 agent projects (0.2%) · 19.2M downloads a week
Decimal.js npm · Utilities
Arbitrary-precision decimal arithmetic for JavaScript avoiding floating-point errors.
Used in 67 agent projects (0.5%) · 98M downloads a week
defusedxml pypi · Auth and security libraries
Protects Python XML parsing from billion laughs and other XML bomb attacks.
Used in 24 agent projects (0.2%) · 52.3M downloads a week
dependency-cruiser npm · Linting and formatting
Validate and visualize code dependencies with custom rules for JavaScript/TypeScript.
Used in 27 agent projects (0.2%) · 5.1M downloads a week
Dexie.js npm · Databases, ORMs and clients
Minimalist wrapper for IndexedDB providing simple database API for browser storage.
Used in 28 agent projects (0.2%) · 2.5M downloads a week
Diagrams pypi · Charts and data visualisation
Create architecture diagrams and cloud infrastructure visualizations as Python code.
Used in 27 agent projects (0.2%) · 208K downloads a week
diff npm · Utilities
JavaScript text diff implementation for comparing and generating unified diffs.
Used in 41 agent projects (0.3%) · 144M downloads a week
Discord.js npm · SDKs for hosted services
Powerful Node.js SDK for building Discord bots and applications.
Used in 35 agent projects (0.3%) · 1.4M downloads a week
distro pypi · Utilities
Python library providing OS platform and Linux distribution information detection.
Used in 46 agent projects (0.4%) · 70.2M downloads a week
Django pypi · HTTP servers and APIs
High-level Python web framework for rapid development with clean design.
Used in 45 agent projects (0.4%) · 10.3M downloads a week
dnd kit npm · UI components and icons
Lightweight React library for building performant, accessible drag-and-drop experiences.
Used in 176 agent projects (1.4%) · 28.1M downloads a week
dnspython pypi · HTTP clients and networking
DNS toolkit for Python enabling DNS queries, zone transfers and dynamic updates.
Used in 47 agent projects (0.4%) · 59.8M downloads a week
Docker Python pypi · SDKs for hosted services
Python library for interacting with Docker Engine API.
Used in 21 agent projects (0.2%) · 31.9M downloads a week
docx npm · Files, images and media
Generate Microsoft Word (.docx) documents programmatically from JavaScript/TypeScript.
Used in 26 agent projects (0.2%) · 6.8M downloads a week
DOMPurify npm · Auth and security libraries
Fast XSS sanitizer for HTML, MathML and SVG protecting against injection attacks.
Used in 96 agent projects (0.8%) · 70.4M downloads a week
dotenv npm · Dev workflow and config
Load environment variables from .env files into process.env.
Used in 2,001 agent projects (15.8%) · 189M downloads a week
dotenv-cli npm · Dev workflow and config
Command-line utility for loading environment variables from .env files when running commands.
Used in 86 agent projects (0.7%) · 7.1M downloads a week
dotenv-expand npm · Dev workflow and config
Expand environment variables in dotenv files with variable substitution.
Used in 21 agent projects (0.2%) · 43.2M downloads a week
DotLottie React npm · Animation and motion
React component for rendering interactive Lottie animations from JSON files.
Used in 21 agent projects (0.2%) · 1.4M downloads a week
dotted-map npm · Charts and data visualisation
Create SVG maps filled with dots for the world or specific countries.
Used in 20 agent projects (0.2%) · 183K downloads a week
Drizzle Kit npm · Databases, ORMs and clients
CLI migration tool for Drizzle ORM that auto-generates SQL migrations intelligently.
Used in 309 agent projects (2.4%) · 22.3M downloads a week
Drizzle ORM npm · Databases, ORMs and clients
TypeScript ORM for SQL databases with type safety and zero-runtime overhead.
Used in 323 agent projects (2.5%) · 27.2M downloads a week
drizzle-zod npm · Forms, validation and schemas
Generate Zod validation schemas automatically from Drizzle ORM database schemas.
Used in 68 agent projects (0.5%) · 3.2M downloads a week
DuckDB pypi · Databases, ORMs and clients
Embedded SQL OLAP database for analytical queries and data processing in Python.
Used in 27 agent projects (0.2%) · 15M downloads a week
ecdsa pypi · Auth and security libraries
Pure Python ECDSA cryptographic signature library.
Used in 34 agent projects (0.3%) · 10.1M downloads a week
ed25519-hd-key npm · Crypto and web3
BIP-32-like hierarchical deterministic key derivation for Ed25519.
Used in 82 agent projects (0.6%) · 230K downloads a week
Effect npm · Languages, types and runtimes
TypeScript library providing functional programming utilities and effects system for production-grade software.
Used in 22 agent projects (0.2%) · 44.6M downloads a week
Electron npm · Desktop and mobile apps
Build cross-platform desktop apps with JavaScript, HTML and CSS.
Used in 82 agent projects (0.6%) · 7.6M downloads a week
Electron Updater npm · Desktop and mobile apps
Cross-platform auto-update solution for Electron applications.
Used in 21 agent projects (0.2%) · 3.8M downloads a week
electron-builder npm · Desktop and mobile apps
Complete solution to package and distribute Electron apps for macOS, Windows and Linux.
Used in 64 agent projects (0.5%) · 5.3M downloads a week
email-validator pypi · Forms, validation and schemas
Robust email validation library checking syntax and deliverability for Python.
Used in 48 agent projects (0.4%) · 42.8M downloads a week
EmailJS npm · SDKs for hosted services
Official browser SDK for sending emails directly from client-side JavaScript without a backend.
Used in 189 agent projects (1.5%) · 122K downloads a week
Embla Carousel npm · Animation and motion
Lightweight carousel component with fluid motion and precise swipe handling for React.
Used in 605 agent projects (4.8%) · 30.4M downloads a week
Embla Carousel Autoplay npm · Animation and motion
Plugin adding autoplay functionality to Embla Carousel for automatic slide rotation.
Used in 48 agent projects (0.4%) · 3.1M downloads a week
emoji-picker-react npm · UI components and icons
Accessible React emoji picker with keyboard navigation and customizable styling.
Used in 20 agent projects (0.2%) · 1.6M downloads a week
Emotion npm · Styling and CSS
CSS-in-JS library for styling React components with scoped styles and theming.
Used in 332 agent projects (2.6%) · 20.2M downloads a week
Eruda npm · Dev workflow and config
Mobile browser developer console for debugging on mobile devices.
Used in 21 agent projects (0.2%) · 103K downloads a week
esbuild npm · Build tools and bundlers
Extremely fast JavaScript and CSS bundler and minifier written in Go.
Used in 342 agent projects (2.7%) · 3M downloads a week
ESLint npm · Linting and formatting
Linter that finds and fixes JavaScript code patterns based on AST analysis.
Used in 4,833 agent projects (38.1%) · 162M downloads a week
ESLint Import Resolver TypeScript npm · Linting and formatting
ESLint plugin resolver adding TypeScript support to import/export linting.
Used in 119 agent projects (0.9%) · 48.8M downloads a week
ESLint React npm · Linting and formatting
Unified ESLint plugin combining React-specific rules and linting best practices.
Used in 20 agent projects (0.2%) · 1.9M downloads a week
esrun npm · Build tools and bundlers
Execute TypeScript files directly using esbuild without compilation steps.
Used in 46 agent projects (0.4%) · 30.9K downloads a week
eth-abi pypi · Crypto and web3
Python utilities for encoding and decoding Ethereum ABI definitions.
Used in 28 agent projects (0.2%) · 1.8M downloads a week
eth-account pypi · Crypto and web3
Python library for signing Ethereum transactions and messages with private keys.
Used in 59 agent projects (0.5%) · 1.4M downloads a week
eth-hash pypi · Crypto and web3
Python library providing Ethereum hashing function keccak256 for cryptographic operations.
Used in 27 agent projects (0.2%) · 1.8M downloads a week
eth-keyfile pypi · Crypto and web3
Library for handling encrypted Ethereum private key files.
Used in 23 agent projects (0.2%) · 1.3M downloads a week
eth-keys pypi · Crypto and web3
Common API for Ethereum key operations including signing and key derivation.
Used in 28 agent projects (0.2%) · 1.4M downloads a week
eth-rlp pypi · Crypto and web3
RLP encoding/decoding for Ethereum objects in Python.
Used in 23 agent projects (0.2%) · 1.4M downloads a week
eth-typing pypi · Crypto and web3
Common type annotations for Ethereum Python packages and smart contract tooling.
Used in 28 agent projects (0.2%) · 1.8M downloads a week
eth-utils pypi · Crypto and web3
Common utility functions for Python code interacting with Ethereum.
Used in 35 agent projects (0.3%) · 1.8M downloads a week
ethers.js npm · Crypto and web3
Complete Ethereum library for building dapps, wallets and blockchain tools.
Used in 574 agent projects (4.5%) · 3.6M downloads a week
eventemitter3 npm · Utilities
High-performance event emitter compatible with Node.js and browsers.
Used in 29 agent projects (0.2%) · 155M downloads a week
ExcelJS npm · Files, images and media
Read, write and manipulate Excel spreadsheets (.xlsx, .csv) with full formatting support.
Used in 57 agent projects (0.4%) · 17.7M downloads a week
execa npm · Utilities
Execute external processes with a better API and error handling for Node.js.
Used in 46 agent projects (0.4%) · 172M downloads a week
Expo npm · Desktop and mobile apps
Framework and platform for building native iOS and Android apps with React.
Used in 196 agent projects (1.5%) · 10.5M downloads a week
expose-loader npm · Build tools and bundlers
Webpack loader that exposes module exports to the global scope.
Used in 28 agent projects (0.2%) · 519K downloads a week
Express npm · HTTP servers and APIs
Fast, unopinionated minimalist web framework for Node.js.
Used in 822 agent projects (6.5%) · 142M downloads a week
express-rate-limit npm · HTTP servers and APIs
Express middleware for rate limiting API requests by IP address.
Used in 105 agent projects (0.8%) · 57.6M downloads a week
express-session npm · Auth and security libraries
Session middleware for Express enabling user authentication and state management.
Used in 54 agent projects (0.4%) · 4.3M downloads a week
express-validator npm · Forms, validation and schemas
Express middleware for input validation and sanitization.
Used in 31 agent projects (0.2%) · 1.5M downloads a week
FAISS pypi · ML and data science
Library for efficient similarity search and clustering of dense vectors at scale.
Used in 42 agent projects (0.3%) · 2.9M downloads a week
fake-indexeddb npm · Testing
In-memory IndexedDB implementation for testing without browser storage.
Used in 31 agent projects (0.2%) · 7.3M downloads a week
Faker pypi · Testing
Generate realistic fake data for testing and development.
Used in 24 agent projects (0.2%) · 16.1M downloads a week
Faker.js npm · Testing
Generate realistic fake data for testing and development.
Used in 83 agent projects (0.7%) · 17.9M downloads a week
Farcaster Frame SDK npm · Crypto and web3
Build onchain social apps and frames for Farcaster protocol.
Used in 23 agent projects (0.2%) · 8,563 downloads a week
Farcaster Miniapp SDK npm · SDKs for hosted services
SDK for building onchain social apps on Farcaster.
Used in 31 agent projects (0.2%) · 56.7K downloads a week
fast-check npm · Testing
Property-based testing framework for JavaScript to generate and test edge cases automatically.
Used in 51 agent projects (0.4%) · 50.7M downloads a week
fast-glob npm · Utilities
High-performance glob pattern matching library for Node.js file system operations.
Used in 30 agent projects (0.2%) · 157M downloads a week
fast-xml-parser npm · Scraping, browsers and parsing
High-performance XML parser and builder without native dependencies.
Used in 58 agent projects (0.5%) · 83.3M downloads a week
FastAPI pypi · HTTP servers and APIs
High-performance Python web framework with automatic API docs and async support.
Used in 537 agent projects (4.2%) · 107M downloads a week
Fastify npm · HTTP servers and APIs
Fast and low-overhead web framework for Node.js with excellent performance and developer experience.
Used in 27 agent projects (0.2%) · 15.3M downloads a week
fastMCP (JavaScript) npm · Agent, MCP and tool libraries
TypeScript framework for building Model Context Protocol servers.
Used in 33 agent projects (0.3%) · 709K downloads a week
FastMCP (Python) pypi · Agent, MCP and tool libraries
Fast, Pythonic framework for building MCP servers and clients for AI tool integration.
Used in 169 agent projects (1.3%) · 14.3M downloads a week
feedparser pypi · Scraping, browsers and parsing
Parse RSS and Atom feeds with universal handling of feed formats.
Used in 20 agent projects (0.2%) · 3.4M downloads a week
fflate npm · Utilities
High-performance DEFLATE compression and decompression in just 8kB.
Used in 37 agent projects (0.3%) · 95.5M downloads a week
ffmpeg-static npm · Files, images and media
Prebuilt ffmpeg binaries for macOS, Linux and Windows.
Used in 23 agent projects (0.2%) · 2.5M downloads a week
figlet npm · Utilities
Generate ASCII art text for terminal applications and CLI tools.
Used in 40 agent projects (0.3%) · 2.1M downloads a week
file-loader npm · Build tools and bundlers
Webpack loader for importing files as data URLs or copying them.
Used in 82 agent projects (0.6%) · 10.4M downloads a week
file-type npm · Files, images and media
Detect file type of files, streams, or data without reading full content.
Used in 20 agent projects (0.2%) · 57.2M downloads a week
FileSaver.js npm · Files, images and media
Enables client-side file downloads in browsers with the saveAs() API implementation.
Used in 52 agent projects (0.4%) · 7.4M downloads a week
Firebase npm · SDKs for hosted services
Google's platform SDK for realtime database, auth, hosting and serverless functions.
Used in 224 agent projects (1.8%) · 10.6M downloads a week
Firebase Admin SDK npm · SDKs for hosted services
Official SDK for building server-side Firebase applications.
Used in 79 agent projects (0.6%) · 9.9M downloads a week
Firebase Tools npm · Dev workflow and config
Command-line interface for deploying and managing Firebase projects.
Used in 20 agent projects (0.2%) · 3.4M downloads a week
flake8 pypi · Linting and formatting
Modular Python linter combining PEP 8 style checking, PyFlakes and complexity analysis.
Used in 64 agent projects (0.5%) · 9.5M downloads a week
FlashList npm · Desktop and mobile apps
High-performance list component for React Native with better memory management than FlatList.
Used in 26 agent projects (0.2%) · 2.4M downloads a week
Flask pypi · HTTP servers and APIs
Lightweight Python web framework for building web applications and APIs.
Used in 174 agent projects (1.4%) · 40.9M downloads a week
Floating UI npm · UI components and icons
Toolkit for positioning popovers, tooltips, dropdowns and other floating elements.
Used in 56 agent projects (0.4%) · 25.5M downloads a week
Font Awesome npm · UI components and icons
Comprehensive icon library with SVG and CSS support for web and mobile applications.
Used in 100 agent projects (0.8%) · 2.8M downloads a week
Fontsource Inter npm · Styling and CSS
Self-hosted Inter font package for web projects without external dependencies.
Used in 42 agent projects (0.3%) · 3.9M downloads a week
fonttools pypi · Files, images and media
Python library for manipulating, analyzing and converting font files across formats.
Used in 30 agent projects (0.2%) · 47.9M downloads a week
form-data npm · HTTP clients and networking
Node.js library for creating multipart/form-data streams for file uploads.
Used in 56 agent projects (0.4%) · 175M downloads a week
Formidable npm · Files, images and media
Parse form data and handle file uploads in Node.js with robust multipart support.
Used in 27 agent projects (0.2%) · 25.2M downloads a week
Formik npm · Forms, validation and schemas
Popular React form state management library with validation and submission handling.
Used in 39 agent projects (0.3%) · 4.6M downloads a week
Framer Motion npm · Animation and motion
Simple and powerful animation library for React components.
Used in 1,703 agent projects (13.4%) · 50.1M downloads a week
Framer Motion 3D npm · Animation and motion
Animation library for React Three Fiber 3D scenes.
Used in 23 agent projects (0.2%) · 7,239 downloads a week
fs-extra npm · Utilities
Extends Node.js fs with recursive mkdir, copy and remove methods.
Used in 85 agent projects (0.7%) · 223M downloads a week
fsspec pypi · Files, images and media
Unified file-system specification abstraction for local and cloud storage access.
Used in 39 agent projects (0.3%) · 139M downloads a week
FullCalendar Day Grid npm · UI components and icons
Display events on month view or day grid for FullCalendar component.
Used in 20 agent projects (0.2%) · 2.4M downloads a week
Fuse.js npm · Utilities
Lightweight fuzzy-search library for client-side text searching.
Used in 83 agent projects (0.7%) · 14.4M downloads a week
gh-pages npm · Dev workflow and config
Deploy files to a gh-pages branch for hosting static sites on GitHub.
Used in 141 agent projects (1.1%) · 592K downloads a week
Gill npm · Crypto and web3
Modern TypeScript client library for interacting with the Solana blockchain.
Used in 24 agent projects (0.2%) · 13.3K downloads a week
GitPython pypi · Dev workflow and config
Python library for interacting with Git repositories programmatically.
Used in 39 agent projects (0.3%) · 34.9M downloads a week
glob npm · Utilities
Correct and fast file pattern matching for file system operations.
Used in 128 agent projects (1.0%) · 397M downloads a week
Google API Core pypi · SDKs for hosted services
Common functionality for Google Cloud client libraries with auth and transport.
Used in 21 agent projects (0.2%) · 75.6M downloads a week
Google API Python Client pypi · SDKs for hosted services
Official Python client library to access Google APIs like Gmail, Drive, Sheets and more.
Used in 51 agent projects (0.4%) · 31M downloads a week
Google APIs Client Library npm · SDKs for hosted services
Official SDK for calling Google APIs from Node.js applications.
Used in 85 agent projects (0.7%) · 10.8M downloads a week
Google Auth Library npm · SDKs for hosted services
Official Google authentication client library for Node.js with OAuth and JWT support.
Used in 57 agent projects (0.4%) · 101M downloads a week
Google GenAI Python SDK pypi · Model SDKs
Official Python SDK for Google's generative AI models including Gemini.
Used in 111 agent projects (0.9%) · 34.1M downloads a week
Google Generative AI npm · Model SDKs
Official SDK for Google Gemini API to build AI-powered applications.
Used in 258 agent projects (2.0%) · 25.3M downloads a week
google-auth pypi · SDKs for hosted services
Google authentication library for Python with OAuth2 and service account support.
Used in 72 agent projects (0.6%) · 93.3M downloads a week
google-auth-oauthlib pypi · Auth and security libraries
OAuth library for Google authentication flows in Python applications.
Used in 40 agent projects (0.3%) · 27.5M downloads a week
gradient-string npm · Dev workflow and config
Add beautiful color gradients to terminal output for CLI styling.
Used in 37 agent projects (0.3%) · 2.1M downloads a week
Gradio pypi · ML and data science
Python library to quickly build interactive web UIs for machine learning models.
Used in 20 agent projects (0.2%) · 1.3M downloads a week
grammY npm · SDKs for hosted services
Telegram Bot Framework for building bots with JavaScript/TypeScript.
Used in 20 agent projects (0.2%) · 5.4M downloads a week
GraphQL Code Generator npm · Build tools and bundlers
CLI tool that generates TypeScript types and resolvers from GraphQL schemas.
Used in 30 agent projects (0.2%) · 7.7M downloads a week
graphql-request npm · HTTP clients and networking
Minimal GraphQL client for Node.js and browsers with zero dependencies.
Used in 47 agent projects (0.4%) · 10.2M downloads a week
GraphQL.js npm · HTTP servers and APIs
JavaScript implementation of GraphQL query language and runtime.
Used in 105 agent projects (0.8%) · 50.6M downloads a week
gray-matter npm · Markdown, editors and content
Parser extracting YAML/JSON front matter from markdown and text files.
Used in 106 agent projects (0.8%) · 10.6M downloads a week
greenlet pypi · Utilities
Lightweight pseudo-threads for concurrent Python programming without OS-level overhead.
Used in 61 agent projects (0.5%) · 86.2M downloads a week
Groq Python SDK pypi · Model SDKs
Official Python client library for the Groq API, enabling fast LLM inference with Groq's language processing units.
Used in 23 agent projects (0.2%) · 3.8M downloads a week
Groq SDK npm · Model SDKs
Official TypeScript SDK for calling Groq's fast language models API.
Used in 30 agent projects (0.2%) · 898K downloads a week
gRPC pypi · HTTP clients and networking
High-performance RPC framework using HTTP/2 with language interoperability.
Used in 43 agent projects (0.3%) · 79.8M downloads a week
GSAP npm · Animation and motion
Professional animation library for high-performance CSS, SVG, canvas and React animations.
Used in 599 agent projects (4.7%) · 5.9M downloads a week
Gulp npm · Build tools and bundlers
Streaming task runner for automating development workflows.
Used in 31 agent projects (0.2%) · 1.7M downloads a week
Gunicorn pypi · HTTP servers and APIs
WSGI HTTP server for running Python web applications in production on Unix systems.
Used in 92 agent projects (0.7%) · 24.7M downloads a week
Handlebars npm · Markdown, editors and content
Semantic templating engine for building dynamic HTML with intuitive syntax.
Used in 27 agent projects (0.2%) · 41.9M downloads a week
Happy DOM npm · Testing
Lightweight DOM implementation for server-side rendering and testing without a browser.
Used in 122 agent projects (1.0%) · 20.5M downloads a week
Hardhat npm · Crypto and web3
Ethereum development environment for compiling, testing and deploying smart contracts.
Used in 223 agent projects (1.8%) · 459K downloads a week
Hardhat ethers Plugin npm · Crypto and web3
Hardhat plugin integrating ethers.js for Ethereum smart contract development.
Used in 58 agent projects (0.5%) · 208K downloads a week
Hardhat Ignition npm · Crypto and web3
Declarative smart contract deployment system for Ethereum with Hardhat.
Used in 46 agent projects (0.4%) · 119K downloads a week
Hardhat Network Helpers npm · Crypto and web3
Utility functions for interacting with and testing Hardhat's local simulated network.
Used in 46 agent projects (0.4%) · 206K downloads a week
Hardhat Toolbox npm · Crypto and web3
Essential Hardhat plugins bundle for Ethereum smart contract development and testing.
Used in 91 agent projects (0.7%) · 155K downloads a week
Hardhat Toolbox Viem npm · Crypto and web3
Hardhat plugin bundle for Ethereum development using Viem library.
Used in 105 agent projects (0.8%) · 18.6K downloads a week
Hardhat Verify npm · Crypto and web3
Hardhat plugin for verifying smart contracts on blockchain explorers.
Used in 47 agent projects (0.4%) · 200K downloads a week
Hardhat viem npm · Crypto and web3
Hardhat plugin integrating viem for Ethereum development and testing.
Used in 20 agent projects (0.2%) · 30.4K downloads a week
hardhat-gas-reporter npm · Dev workflow and config
Hardhat plugin to track and report gas usage of smart contract functions.
Used in 41 agent projects (0.3%) · 196K downloads a week
Headless UI npm · UI components and icons
Unstyled, accessible React components designed to integrate with Tailwind CSS.
Used in 210 agent projects (1.7%) · 7.4M downloads a week
Helius SDK npm · Crypto and web3
TypeScript SDK for Solana with DAS API, webhooks, and RPC primitives.
Used in 21 agent projects (0.2%) · 28.7K downloads a week
Helmet npm · Auth and security libraries
Express middleware that sets HTTP security headers to prevent vulnerabilities.
Used in 125 agent projects (1.0%) · 16.2M downloads a week
Heroicons npm · UI components and icons
Beautiful hand-crafted SVG icon set from Tailwind Labs available for React and Vue.
Used in 243 agent projects (1.9%) · 4.1M downloads a week
HeroUI npm · UI components and icons
Modern React component library built with Tailwind CSS 4.0 for rapid UI development.
Used in 26 agent projects (0.2%) · 683K downloads a week
hf-xet pypi · Files, images and media
Fast transfer tool for large files with the Hugging Face Hub.
Used in 20 agent projects (0.2%) · 50.4M downloads a week
highlight.js npm · Markdown, editors and content
Syntax highlighting library with automatic language detection for code blocks.
Used in 68 agent projects (0.5%) · 38.6M downloads a week
Hono npm · HTTP servers and APIs
Ultrafast web framework for edge runtimes built on Web Standards.
Used in 136 agent projects (1.1%) · 73.9M downloads a week
Howler.js npm · Files, images and media
Audio library for playing and manipulating sound in the browser.
Used in 45 agent projects (0.4%) · 1.1M downloads a week
html-loader npm · Build tools and bundlers
Webpack loader for processing HTML files, extracting assets and enabling HTML as module imports.
Used in 22 agent projects (0.2%) · 1.4M downloads a week
html-react-parser npm · Markdown, editors and content
Parses HTML strings into React components, useful for rendering user-generated or CMS content safely.
Used in 22 agent projects (0.2%) · 3.7M downloads a week
html-to-image npm · Files, images and media
Convert DOM elements to images using canvas and SVG with client-side rendering.
Used in 56 agent projects (0.4%) · 7.5M downloads a week
html-webpack-plugin npm · Build tools and bundlers
Webpack plugin that automatically generates HTML files to serve bundles.
Used in 136 agent projects (1.1%) · 14.1M downloads a week
html2canvas npm · Files, images and media
JavaScript library for taking screenshots of web pages and rendering HTML to canvas.
Used in 115 agent projects (0.9%) · 18.5M downloads a week
HTML5 QR Code npm · Utilities
Cross-platform HTML5 QR code and barcode scanner for web apps.
Used in 21 agent projects (0.2%) · 1.5M downloads a week
http-server npm · HTTP servers and APIs
Simple zero-configuration command-line HTTP server for development and testing.
Used in 42 agent projects (0.3%) · 7.1M downloads a week
https-proxy-agent npm · HTTP clients and networking
HTTP/HTTPS proxy agent for Node.js to route requests through corporate proxies.
Used in 26 agent projects (0.2%) · 271M downloads a week
httpx pypi · HTTP clients and networking
Modern Python HTTP client with async support, replacing the standard requests library.
Used in 266 agent projects (2.1%) · 16M downloads a week
Hugging Face Datasets pypi · ML and data science
Community-driven library providing easy access to thousands of ML datasets.
Used in 22 agent projects (0.2%) · 15.6M downloads a week
Hugging Face Hub pypi · Model SDKs
Python client library for downloading and publishing models and datasets on Hugging Face.
Used in 59 agent projects (0.5%) · 60M downloads a week
Hugging Face Transformers pypi · ML and data science
State-of-the-art NLP and multimodal models for inference and training.
Used in 80 agent projects (0.6%) · 24.8M downloads a week
Husky npm · Dev workflow and config
Modern Git hooks manager for running tasks on git events.
Used in 797 agent projects (6.3%) · 36.2M downloads a week
i18next npm · Utilities
Internationalization framework for managing translations across applications.
Used in 129 agent projects (1.0%) · 23.3M downloads a week
i18next-browser-languagedetector npm · Utilities
Language detector for i18next that automatically detects user language in browsers.
Used in 62 agent projects (0.5%) · 5.1M downloads a week
i18next-http-backend npm · Utilities
Backend layer for i18next using HTTP to load translations in Node.js and browsers.
Used in 20 agent projects (0.2%) · 2.8M downloads a week
Iconify npm · UI components and icons
Unified icon component library with access to 150k+ icons across frameworks.
Used in 47 agent projects (0.4%) · 1.1M downloads a week
idb npm · State and data fetching
Promise-based wrapper library making IndexedDB easier to use.
Used in 34 agent projects (0.3%) · 26.1M downloads a week
idb-keyval npm · State and data fetching
Minimal key-value store built on IndexedDB for browser-based data persistence.
Used in 24 agent projects (0.2%) · 9.6M downloads a week
image-size npm · Files, images and media
Detect and retrieve dimensions of image files without downloading entire file.
Used in 20 agent projects (0.2%) · 30.5M downloads a week
Immer npm · State and data fetching
Immutable state management by mutating a draft in a simpler API.
Used in 77 agent projects (0.6%) · 64.6M downloads a week
Inertia.js React npm · Web frameworks
React adapter for Inertia enabling single-page app development with server-side routing.
Used in 48 agent projects (0.4%) · 605K downloads a week
Inertia.js Vue 3 npm · Web frameworks
Inertia.js adapter for building modern single-page apps with Vue 3.
Used in 31 agent projects (0.2%) · 422K downloads a week
Ink npm · Dev workflow and config
React-based framework for building beautiful interactive command-line interfaces and CLI applications.
Used in 23 agent projects (0.2%) · 7.9M downloads a week
input-otp npm · UI components and icons
Accessible one-time password input component for React with mobile support.
Used in 529 agent projects (4.2%) · 29.8M downloads a week
Inquirer npm · Dev workflow and config
Interactive command-line prompts for building CLI tools and scripts.
Used in 25 agent projects (0.2%) · 42.7M downloads a week
Inquirer.js npm · Dev workflow and config
Interactive CLI prompts for user input in command-line applications.
Used in 84 agent projects (0.7%) · 46.3M downloads a week
ioredis npm · HTTP clients and networking
Robust, feature-rich Redis client for Node.js with cluster support.
Used in 129 agent projects (1.0%) · 30.6M downloads a week
ipfs-http-client npm · HTTP clients and networking
Client library for interacting with IPFS nodes via HTTP API.
Used in 20 agent projects (0.2%) · 51.4K downloads a week
IPykernel pypi · ML and data science
Jupyter kernel for interactive Python computing and data science notebooks.
Used in 57 agent projects (0.4%) · 13.2M downloads a week
IPython pypi · Dev workflow and config
Interactive Python shell with enhanced features for productive computing.
Used in 33 agent projects (0.3%) · 23.3M downloads a week
ipywidgets pypi · Dev workflow and config
Interactive widgets for Jupyter notebooks and JupyterLab.
Used in 25 agent projects (0.2%) · 7.8M downloads a week
isbot npm · Utilities
User agent detection library for identifying bots and crawlers.
Used in 35 agent projects (0.3%) · 26.2M downloads a week
isomorphic-dompurify npm · Auth and security libraries
Server and client-side HTML sanitization using DOMPurify.
Used in 34 agent projects (0.3%) · 6.1M downloads a week
isort pypi · Linting and formatting
Automatically sorts and organizes Python imports for consistent code style.
Used in 50 agent projects (0.4%) · 22.4M downloads a week
itsdangerous pypi · Auth and security libraries
Cryptographic signing utilities for safely passing data to untrusted environments.
Used in 48 agent projects (0.4%) · 47.7M downloads a week
Jasmine npm · Testing
BDD testing framework for JavaScript running in browsers and Node.js with readable syntax and built-in assertions.
Used in 22 agent projects (0.2%) · 5M downloads a week
Jedi pypi · Dev workflow and config
Python autocompletion engine for text editors and IDEs with precise code analysis.
Used in 26 agent projects (0.2%) · 23.2M downloads a week
Jest npm · Testing
Delightful JavaScript testing framework with minimal configuration.
Used in 702 agent projects (5.5%) · 46.3M downloads a week
Jinja2 pypi · Markdown, editors and content
Fast and expressive template engine for Python with powerful flexibility.
Used in 175 agent projects (1.4%) · 145M downloads a week
jiter pypi · ML and data science
High-performance JSON parser for Python with iterable streaming support.
Used in 36 agent projects (0.3%) · 80.8M downloads a week
jiti npm · Languages, types and runtimes
Runtime TypeScript and ESM support for Node.js without build steps.
Used in 84 agent projects (0.7%) · 19M downloads a week
Jito TypeScript SDK npm · Crypto and web3
TypeScript SDK for Jito Solana MEV infrastructure and bundle transactions.
Used in 41 agent projects (0.3%) · 14.8K downloads a week
JMESPath pypi · Utilities
JSON query language for searching and transforming JSON data.
Used in 20 agent projects (0.2%) · 126M downloads a week
joblib pypi · ML and data science
Lightweight pipelining and parallel computing for Python functions with caching support.
Used in 65 agent projects (0.5%) · 38.7M downloads a week
jose npm · Auth and security libraries
Comprehensive JWT and JWK handling for Node.js and web runtimes.
Used in 141 agent projects (1.1%) · 151M downloads a week
Jotai npm · State and data fetching
Minimal React state management with atoms as primitive building blocks for flexibility.
Used in 124 agent projects (1.0%) · 6.6M downloads a week
js-cookie npm · Utilities
Simple JavaScript API for reading, creating and deleting browser cookies.
Used in 48 agent projects (0.4%) · 30.8M downloads a week
js-sha256 npm · Auth and security libraries
Pure JavaScript implementation of SHA-256 hashing with UTF-8 encoding support for browsers and Node.js.
Used in 22 agent projects (0.2%) · 5M downloads a week
js-yaml npm · Utilities
Fast YAML parser and serializer for JavaScript with spec compliance.
Used in 123 agent projects (1.0%) · 301M downloads a week
jsdom npm · Testing
JavaScript implementation of web standards for testing DOM interactions.
Used in 681 agent projects (5.4%) · 112M downloads a week
jsonc-eslint-parser npm · Linting and formatting
JSON, JSONC and JSON5 parser for ESLint plugins enabling JSON file linting.
Used in 27 agent projects (0.2%) · 5.7M downloads a week
jsonc-parser npm · Scraping, browsers and parsing
Parser for JSON with comments and trailing commas support.
Used in 31 agent projects (0.2%) · 72.3M downloads a week
jsonpointer pypi · Utilities
Implementation of RFC 6901 for identifying and accessing specific nodes in JSON documents.
Used in 20 agent projects (0.2%) · 32.2M downloads a week
jsonschema pypi · Forms, validation and schemas
Python implementation of JSON Schema validation for structured data.
Used in 129 agent projects (1.0%) · 125M downloads a week
jsonwebtoken npm · Auth and security libraries
Create, verify and decode JSON Web Tokens for authentication and secure data transmission.
Used in 241 agent projects (1.9%) · 59.3M downloads a week
jsPDF npm · Files, images and media
Generate PDF documents directly from JavaScript in browsers and Node.js.
Used in 184 agent projects (1.4%) · 15.6M downloads a week
jsPDF AutoTable npm · Files, images and media
Generate PDF tables with JavaScript using jsPDF plugin.
Used in 66 agent projects (0.5%) · 4.3M downloads a week
jsQR npm · Utilities
Pure JavaScript QR code reader that locates and parses QR codes.
Used in 25 agent projects (0.2%) · 3.4M downloads a week
JSZip npm · Files, images and media
JavaScript library for creating, reading and editing ZIP archives in the browser.
Used in 96 agent projects (0.8%) · 47.5M downloads a week
Jupiter API npm · Crypto and web3
TypeScript client SDK for Jupiter DEX swap quotes on Solana.
Used in 35 agent projects (0.3%) · 91.7K downloads a week
Jupyter pypi · ML and data science
Interactive notebook environment for data analysis, visualization and code experimentation.
Used in 28 agent projects (0.2%) · 3.2M downloads a week
jwt-decode npm · Auth and security libraries
Decode JWT tokens in the browser without server verification for inspection.
Used in 40 agent projects (0.3%) · 18.1M downloads a week
Karma npm · Testing
Test runner for JavaScript that executes tests across multiple browsers and environments.
Used in 26 agent projects (0.2%) · 3M downloads a week
Karma Jasmine HTML Reporter npm · Testing
Karma plugin displaying test results in HTML with real-time updates.
Used in 21 agent projects (0.2%) · 1.6M downloads a week
karma-chrome-launcher npm · Testing
Karma plugin to launch Chrome and Chrome Canary for browser testing.
Used in 25 agent projects (0.2%) · 2.2M downloads a week
karma-coverage npm · Testing
Karma plugin for generating code coverage reports during test runs, integrating with coverage tools.
Used in 22 agent projects (0.2%) · 1.5M downloads a week
karma-jasmine npm · Testing
Karma adapter for running Jasmine unit tests in browsers.
Used in 23 agent projects (0.2%) · 2.4M downloads a week
KaTeX npm · Markdown, editors and content
Fast, web-based math typesetting library for rendering LaTeX.
Used in 75 agent projects (0.6%) · 28M downloads a week
keyring pypi · Auth and security libraries
Python library for securely storing and retrieving passwords and secrets.
Used in 29 agent projects (0.2%) · 36.5M downloads a week
Knip npm · Linting and formatting
Find and fix unused dependencies, exports and files in TypeScript/JavaScript projects.
Used in 150 agent projects (1.2%) · 17.5M downloads a week
LangChain (JavaScript) npm · Agent, MCP and tool libraries
TypeScript framework for building applications with LLMs, chains, agents and memory.
Used in 30 agent projects (0.2%) · 3.1M downloads a week
LangChain (Python) pypi · Agent, MCP and tool libraries
Framework for composing applications with LLMs through chains and agents.
Used in 141 agent projects (1.1%) · 37.3M downloads a week
LangChain.js npm · Agent, MCP and tool libraries
Build applications with LLMs using composable abstractions for chains, agents and memory.
Used in 67 agent projects (0.5%) · 6.2M downloads a week
LangGraph pypi · Agent, MCP and tool libraries
Framework for building stateful, multi-actor applications with LLMs.
Used in 82 agent projects (0.6%) · 12.1M downloads a week
LangSmith pypi · Prompts, structured output and evals
Platform client for monitoring, evaluating and debugging LLM applications.
Used in 23 agent projects (0.2%) · 19.3M downloads a week
Laravel Echo npm · HTTP clients and networking
Real-time event broadcasting client for Laravel with Pusher, Socket.IO and Mercure support.
Used in 26 agent projects (0.2%) · 815K downloads a week
Laravel Vite Plugin npm · Build tools and bundlers
Official Vite plugin for Laravel to handle asset bundling and HMR.
Used in 178 agent projects (1.4%) · 2.1M downloads a week
Leaflet npm · 3D and graphics
Lightweight JavaScript library for creating mobile-friendly interactive maps.
Used in 160 agent projects (1.3%) · 8M downloads a week
Lefthook npm · Dev workflow and config
Fast git hooks manager for running checks and tasks on commits.
Used in 128 agent projects (1.0%) · 5.5M downloads a week
Lenis npm · Animation and motion
Smooth scrolling library that enhances page scroll experiences with physics-based animations.
Used in 193 agent projects (1.5%) · 1.8M downloads a week
Lerna npm · Build tools and bundlers
Fast build system for managing and publishing multiple packages from monorepos.
Used in 27 agent projects (0.2%) · 1.7M downloads a week
Leva npm · Dev workflow and config
React component library for creating debug panels and interactive controls.
Used in 133 agent projects (1.0%) · 1M downloads a week
libphonenumber-js npm · Utilities
Lightweight library for parsing, validating and formatting international phone numbers.
Used in 26 agent projects (0.2%) · 27.5M downloads a week
libSQL Client npm · Databases, ORMs and clients
TypeScript/JavaScript driver for libSQL databases with modern async/await support.
Used in 64 agent projects (0.5%) · 3.6M downloads a week
Lighthouse npm · Logging, monitoring and analytics
Automated web performance auditing and best practices analysis tool from Google.
Used in 28 agent projects (0.2%) · 5.1M downloads a week
Lightning CSS npm · Styling and CSS
High-performance CSS parser and minifier written in Rust, with modern CSS feature support.
Used in 22 agent projects (0.2%) · 178M downloads a week
Lightweight Charts npm · Charts and data visualisation
Performant financial charts library built with HTML5 canvas for trading applications.
Used in 38 agent projects (0.3%) · 1.2M downloads a week
lint-staged npm · Dev workflow and config
Run linters on git staged files to catch issues before commit.
Used in 591 agent projects (4.7%) · 29.5M downloads a week
LiteLLM pypi · Model SDKs
Unified library to interface with multiple LLM API providers.
Used in 33 agent projects (0.3%) · 21.8M downloads a week
Lodash npm · Utilities
Modular utility library with methods for common programming tasks and data manipulation.
Used in 269 agent projects (2.1%) · 162M downloads a week
lodash-es npm · Utilities
Utility library with modern JavaScript methods (map, filter, debounce) as ES modules.
Used in 55 agent projects (0.4%) · 50.1M downloads a week
lodash.debounce npm · Utilities
Debounce function utility from Lodash for throttling function execution.
Used in 20 agent projects (0.2%) · 40.6M downloads a week
Loguru pypi · Logging, monitoring and analytics
Simplified Python logging library with intuitive API and structured logging.
Used in 108 agent projects (0.9%) · 16.4M downloads a week
Lottie React npm · Animation and motion
React component for rendering Lottie JSON animations with full control.
Used in 80 agent projects (0.6%) · 3.2M downloads a week
Lowlight npm · Markdown, editors and content
Virtual syntax highlighting for non-HTML contexts like virtual DOMs and markdown.
Used in 21 agent projects (0.2%) · 13.5M downloads a week
lru-cache npm · Utilities
Efficient least-recently-used cache implementation for Node.js applications.
Used in 64 agent projects (0.5%) · 587M downloads a week
Lucide React npm · UI components and icons
Comprehensive icon library with consistent design for React applications.
Used in 2,519 agent projects (19.8%) · 108M downloads a week
Lucide React Native npm · UI components and icons
Beautiful, consistent React Native icon library with consistent design.
Used in 25 agent projects (0.2%) · 2.5M downloads a week
Lucide Svelte npm · UI components and icons
Beautiful, consistent SVG icon library optimized for Svelte applications.
Used in 27 agent projects (0.2%) · 936K downloads a week
Lucide Vue Next npm · UI components and icons
Icon library with 1000+ beautiful, consistent SVG icons for Vue 3 applications.
Used in 30 agent projects (0.2%) · 1.1M downloads a week
Luxon npm · Utilities
Immutable date and time library with timezone, formatting and parsing support.
Used in 42 agent projects (0.3%) · 41.6M downloads a week
lxml pypi · Scraping, browsers and parsing
High-performance XML and HTML processing library combining libxml2/libxslt with Python.
Used in 98 agent projects (0.8%) · 88.4M downloads a week
maath npm · 3D and graphics
Math utilities library for 3D graphics and animations in Three.js and React Three Fiber.
Used in 176 agent projects (1.4%) · 4.6M downloads a week
Mako pypi · Markdown, editors and content
High-performance Python templating engine with flexible syntax for generating HTML, emails and other text.
Used in 22 agent projects (0.2%) · 47.9M downloads a week
mammoth npm · Files, images and media
Convert Word documents (.docx) to clean HTML and Markdown for content processing.
Used in 52 agent projects (0.4%) · 10.1M downloads a week
Mantine npm · UI components and icons
React component library with 50+ hooks for state, UI and form management.
Used in 34 agent projects (0.3%) · 3M downloads a week
Mapbox GL npm · 3D and graphics
WebGL-based interactive maps library for rendering vector tiles and geospatial data.
Used in 38 agent projects (0.3%) · 4.3M downloads a week
MapLibre GL npm · 3D and graphics
Open-source WebGL interactive maps library with BSD license and community support.
Used in 28 agent projects (0.2%) · 6.1M downloads a week
Markdown pypi · Markdown, editors and content
Python implementation of Markdown parser for converting Markdown to HTML.
Used in 50 agent projects (0.4%) · 23.8M downloads a week
markdown-it npm · Markdown, editors and content
Modern pluggable markdown parser with plugin ecosystem.
Used in 34 agent projects (0.3%) · 22.9M downloads a week
markdown-it-py pypi · Markdown, editors and content
Python port of markdown-it parser for CommonMark-compliant Markdown parsing.
Used in 67 agent projects (0.5%) · 117M downloads a week
markdown-link-check npm · Dev workflow and config
Check hyperlinks in markdown files for broken or dead links.
Used in 25 agent projects (0.2%) · 184K downloads a week
markdownlint-cli npm · Linting and formatting
CLI tool to lint and format Markdown files, enforcing consistent style and catching common issues.
Used in 23 agent projects (0.2%) · 1.1M downloads a week
markdownlint-cli2 npm · Linting and formatting
Fast, flexible CLI for linting Markdown files with configuration support.
Used in 73 agent projects (0.6%) · 1.7M downloads a week
Marked npm · Markdown, editors and content
Fast, efficient markdown parser for converting markdown to HTML.
Used in 148 agent projects (1.2%) · 83.8M downloads a week
MarkupSafe pypi · Auth and security libraries
Utility for safely escaping and marking HTML/XML strings to prevent injection attacks.
Used in 91 agent projects (0.7%) · 178M downloads a week
marshmallow pypi · Forms, validation and schemas
Lightweight library for converting complex datatypes to and from native Python datatypes.
Used in 20 agent projects (0.2%) · 20.1M downloads a week
Mastra npm · Agent, MCP and tool libraries
Framework for building AI agents with tools, memory and MCP server support.
Used in 39 agent projects (0.3%) · 2M downloads a week
Material UI npm · UI components and icons
Comprehensive React component library implementing Google Material Design for production apps.
Used in 186 agent projects (1.5%) · 10.1M downloads a week
Material-UI npm · UI components and icons
React component library implementing Google's Material Design system.
Used in 35 agent projects (0.3%) · 1.3M downloads a week
Material-UI Icons npm · UI components and icons
Material Design SVG icons converted to React components.
Used in 25 agent projects (0.2%) · 1.1M downloads a week
Material-UI Lab npm · UI components and icons
Experimental Material-UI components and features in development.
Used in 23 agent projects (0.2%) · 687K downloads a week
Matplotlib pypi · Charts and data visualisation
Python library for creating static, animated and interactive plots and visualizations.
Used in 194 agent projects (1.5%) · 39.3M downloads a week
Matter.js npm · Game development
2D rigid body physics engine for web and game development.
Used in 24 agent projects (0.2%) · 307K downloads a week
McCabe pypi · Linting and formatting
Flake8 plugin for checking cyclomatic complexity of Python code.
Used in 21 agent projects (0.2%) · 16.5M downloads a week
MDX npm · Markdown, editors and content
Write JSX directly in Markdown for rich, interactive content and documentation.
Used in 69 agent projects (0.5%) · 22.2M downloads a week
memorystore npm · State and data fetching
Memory store implementation for Express sessions without memory leaks.
Used in 29 agent projects (0.2%) · 506K downloads a week
Mermaid npm · Charts and data visualisation
Markdown-like syntax for creating flowcharts, diagrams, and visualizations programmatically.
Used in 65 agent projects (0.5%) · 17.7M downloads a week
meshline npm · 3D and graphics
Three.js mesh-based line renderer for better performance and visual control.
Used in 33 agent projects (0.3%) · 3.3M downloads a week
Metaplex npm · Crypto and web3
JavaScript SDK for Solana NFT and token metadata with Umi framework.
Used in 291 agent projects (2.3%) · 218K downloads a week
Metaplex JavaScript SDK npm · Crypto and web3
JavaScript API for interacting with Metaplex NFT protocols on Solana.
Used in 36 agent projects (0.3%) · 22.7K downloads a week
Meteora DLMM SDK npm · Crypto and web3
Solana Dynamic Liquidity Market Maker SDK for building DeFi applications.
Used in 20 agent projects (0.2%) · 73.5K downloads a week
mime npm · Utilities
Comprehensive MIME type mapping and detection library.
Used in 23 agent projects (0.2%) · 155M downloads a week
mime-types npm · Utilities
Utility for working with MIME types and file extensions.
Used in 25 agent projects (0.2%) · 285M downloads a week
mini-css-extract-plugin npm · Build tools and bundlers
Webpack plugin that extracts CSS into separate files for better caching and parallel loading.
Used in 30 agent projects (0.2%) · 16M downloads a week
minimatch npm · Utilities
Glob pattern matching library for file path filtering and pattern-based selections.
Used in 28 agent projects (0.2%) · 724M downloads a week
minimist npm · Dev workflow and config
Lightweight command-line argument parser for Node.js CLI tools.
Used in 30 agent projects (0.2%) · 17M downloads a week
mnemonic pypi · Crypto and web3
Bitcoin BIP-39 implementation for generating and validating mnemonic seed phrases.
Used in 26 agent projects (0.2%) · 195K downloads a week
Mocha npm · Testing
Feature-rich JavaScript test framework for Node.js and browsers.
Used in 281 agent projects (2.2%) · 12.6M downloads a week
Mock Service Worker npm · Testing
API mocking library for seamless request interception in tests and development.
Used in 100 agent projects (0.8%) · 22.7M downloads a week
Model Context Protocol SDK (JavaScript) npm · Agent, MCP and tool libraries
TypeScript SDK for building MCP servers and clients to extend AI agent capabilities.
Used in 603 agent projects (4.7%) · 65.4M downloads a week
Model Context Protocol SDK (Python) pypi · Agent, MCP and tool libraries
Python SDK for building MCP servers and clients to extend AI agent capabilities.
Used in 484 agent projects (3.8%) · 60.6M downloads a week
moment-timezone npm · Utilities
Timezone support for Moment.js, parsing and displaying dates across any timezone accurately.
Used in 22 agent projects (0.2%) · 17.8M downloads a week
Moment.js npm · Utilities
Parse, validate, manipulate and format dates and times in JavaScript.
Used in 134 agent projects (1.1%) · 37.2M downloads a week
Monaco Editor npm · Markdown, editors and content
Browser-based code editor powering VS Code with syntax highlighting and language support.
Used in 47 agent projects (0.4%) · 9.6M downloads a week
MongoDB Node Driver npm · Databases, ORMs and clients
Official Node.js driver for MongoDB providing query builders and connection management.
Used in 86 agent projects (0.7%) · 15.3M downloads a week
Mongoose npm · Databases, ORMs and clients
MongoDB object modeling library providing schema validation and query building.
Used in 142 agent projects (1.1%) · 6.6M downloads a week
more-itertools pypi · Utilities
Extended collection of iterator and iteration tools for Python.
Used in 33 agent projects (0.3%) · 55.7M downloads a week
morgan npm · Logging, monitoring and analytics
HTTP request logger middleware for Express and Connect applications.
Used in 53 agent projects (0.4%) · 13.2M downloads a week
Motion npm · Animation and motion
Animation library for JavaScript and React with simple, powerful motion primitives.
Used in 416 agent projects (3.3%) · 24.4M downloads a week
mpmath pypi · ML and data science
Python library for arbitrary-precision floating-point arithmetic.
Used in 23 agent projects (0.2%) · 30.4M downloads a week
msgpack pypi · Utilities
Fast and compact binary serialization format library for Python.
Used in 29 agent projects (0.2%) · 49.9M downloads a week
multer npm · HTTP servers and APIs
Express middleware for handling file uploads in multipart/form-data requests.
Used in 94 agent projects (0.7%) · 22.8M downloads a week
mypy pypi · Languages, types and runtimes
Optional static type checker for Python enabling better code quality and IDE support.
Used in 60 agent projects (0.5%) · 43.3M downloads a week
mysql2 npm · Databases, ORMs and clients
Fast MySQL driver with native protocol implementation, prepared statements and SSL.
Used in 48 agent projects (0.4%) · 16M downloads a week
Nanoid npm · Utilities
Tiny, secure, URL-friendly unique string ID generator for JavaScript.
Used in 161 agent projects (1.3%) · 269M downloads a week
NativeWind npm · Styling and CSS
Use Tailwind CSS in cross-platform React Native applications.
Used in 45 agent projects (0.4%) · 1.9M downloads a week
nbformat pypi · Markdown, editors and content
Library for reading and writing Jupyter Notebook format files.
Used in 20 agent projects (0.2%) · 21.2M downloads a week
Neon Serverless Driver npm · Databases, ORMs and clients
PostgreSQL driver optimized for serverless environments from Neon.
Used in 126 agent projects (1.0%) · 4.5M downloads a week
nest-asyncio pypi · Utilities
Patch asyncio to allow nested event loops in Python, useful for Jupyter notebooks.
Used in 38 agent projects (0.3%) · 19.2M downloads a week
NestJS npm · HTTP servers and APIs
Progressive Node.js framework for building scalable and maintainable server-side applications.
Used in 50 agent projects (0.4%) · 16.8M downloads a week
NetworkX pypi · ML and data science
Python package for creating, analyzing and manipulating complex networks and graphs.
Used in 73 agent projects (0.6%) · 50.2M downloads a week
next-intl npm · Web frameworks
Internationalization library for Next.js enabling multi-language content and routing.
Used in 95 agent projects (0.7%) · 7M downloads a week
next-mdx-remote npm · Markdown, editors and content
Load and render MDX from remote sources as data in Next.js applications.
Used in 36 agent projects (0.3%) · 1.4M downloads a week
next-pwa npm · Web frameworks
Next.js PWA plugin with workbox for offline support.
Used in 23 agent projects (0.2%) · 234K downloads a week
next-seo npm · Web frameworks
SEO plugin for Next.js projects to manage meta tags and structured data.
Used in 25 agent projects (0.2%) · 476K downloads a week
next-sitemap npm · Dev workflow and config
Automatic XML sitemap generation for Next.js applications.
Used in 31 agent projects (0.2%) · 496K downloads a week
next-themes npm · Web frameworks
Abstraction for managing themes (dark/light mode) in Next.js apps.
Used in 1,116 agent projects (8.8%) · 26.9M downloads a week
Next.js npm · Web frameworks
React framework for production with server-side rendering and static generation.
Used in 2,861 agent projects (22.5%) · 66.2M downloads a week
Next.js Top Loader npm · UI components and icons
Loading bar component for Next.js powered by nprogress.
Used in 24 agent projects (0.2%) · 851K downloads a week
NextAuth Prisma Adapter npm · Auth and security libraries
Prisma database adapter for NextAuth authentication framework.
Used in 25 agent projects (0.2%) · 431K downloads a week
NextAuth.js npm · Auth and security libraries
Complete open-source authentication solution designed for Next.js applications.
Used in 266 agent projects (2.1%) · 6.7M downloads a week
NextUI npm · UI components and icons
Modern, accessible React component library with Tailwind integration.
Used in 25 agent projects (0.2%) · 91.9K downloads a week
Nitro npm · HTTP servers and APIs
Build and deploy universal JavaScript servers with zero-config.
Used in 34 agent projects (0.3%) · 13M downloads a week
Nitro Modules npm · Desktop and mobile apps
Fast, type-safe native modules for React Native with statically compiled JSI bindings.
Used in 20 agent projects (0.2%) · 2M downloads a week
NLTK pypi · ML and data science
Natural language processing toolkit with text analysis and NLP algorithms.
Used in 25 agent projects (0.2%) · 10.1M downloads a week
node-canvas npm · 3D and graphics
Canvas graphics API for Node.js backed by Cairo rendering.
Used in 31 agent projects (0.2%) · 8.2M downloads a week
node-cron npm · Jobs, queues and workflows
Job scheduling for Node.js with overlap prevention and distributed coordination.
Used in 74 agent projects (0.6%) · 5.1M downloads a week
node-fetch npm · HTTP clients and networking
Bring the Fetch API to Node.js for making HTTP requests.
Used in 219 agent projects (1.7%) · 207M downloads a week
node-pty npm · Desktop and mobile apps
Fork pseudoterminals in Node.js for terminal emulation.
Used in 21 agent projects (0.2%) · 4M downloads a week
node-telegram-bot-api npm · SDKs for hosted services
TypeScript client library for building Telegram bots with the official Bot API.
Used in 29 agent projects (0.2%) · 191K downloads a week
Nodemailer npm · Files, images and media
Send emails from Node.js applications with support for multiple transport methods.
Used in 232 agent projects (1.8%) · 25.2M downloads a week
nodemon npm · Dev workflow and config
Monitor for file changes and automatically restart Node.js apps during development.
Used in 224 agent projects (1.8%) · 13.3M downloads a week
npm-check-updates npm · Dev workflow and config
CLI tool to find and update newer package versions in package.json.
Used in 34 agent projects (0.3%) · 792K downloads a week
npm-run-all npm · Dev workflow and config
CLI tool to run multiple npm scripts in parallel or sequential order efficiently.
Used in 59 agent projects (0.5%) · 4.3M downloads a week
npm-run-all2 npm · Dev workflow and config
Maintenance fork of npm-run-all for running multiple npm scripts in parallel.
Used in 57 agent projects (0.4%) · 2.2M downloads a week
NProgress npm · UI components and icons
Slim, elegant progress bar library for web applications.
Used in 24 agent projects (0.2%) · 3.7M downloads a week
NumPy pypi · ML and data science
Fundamental Python library for numerical computing with arrays and matrices.
Used in 487 agent projects (3.8%) · 21M downloads a week
nuqs npm · State and data fetching
Type-safe search params state manager for React applications with URL synchronization.
Used in 60 agent projects (0.5%) · 5.3M downloads a week
Nuxt npm · Web frameworks
Full-stack Vue.js framework for building type-safe production applications.
Used in 84 agent projects (0.7%) · 2.3M downloads a week
Nx npm · Build tools and bundlers
Monorepo tool with build orchestration, caching and dependency analysis.
Used in 133 agent projects (1.0%) · 10.6M downloads a week
Nx ESLint Plugin npm · Linting and formatting
ESLint plugin and executors for linting projects in Nx monorepos.
Used in 75 agent projects (0.6%) · 4.4M downloads a week
Nx Jest Plugin npm · Testing
Nx plugin providing Jest testing capabilities and executors for monorepo projects.
Used in 57 agent projects (0.4%) · 3.3M downloads a week
Nx JS Plugin npm · Build tools and bundlers
Nx plugin for JavaScript/TypeScript projects with monorepo tooling and generators.
Used in 105 agent projects (0.8%) · 6.1M downloads a week
Nx Node Plugin npm · Build tools and bundlers
Nx plugin with generators for managing Node applications in monorepos.
Used in 31 agent projects (0.2%) · 1.8M downloads a week
Nx Vite Plugin npm · Build tools and bundlers
Nx monorepo plugin providing build and test capabilities with Vite integration.
Used in 62 agent projects (0.5%) · 2.7M downloads a week
Nx Web npm · Build tools and bundlers
Nx plugin for Web Components with generators and Jest, Playwright, Cypress integration.
Used in 71 agent projects (0.6%) · 3.6M downloads a week
Nx Workspace npm · Build tools and bundlers
Core Nx plugin with executors and generators for monorepo workspace management.
Used in 72 agent projects (0.6%) · 6.1M downloads a week
oauthlib pypi · Auth and security libraries
Comprehensive OAuth request-signing implementation for Python, handling authentication flows securely.
Used in 22 agent projects (0.2%) · 57.3M downloads a week
OGL npm · 3D and graphics
Lightweight WebGL library for 3D graphics rendering with minimal overhead.
Used in 66 agent projects (0.5%) · 658K downloads a week
Ollama pypi · Model SDKs
Official Python client for running and interacting with local language models via Ollama.
Used in 30 agent projects (0.2%) · 3M downloads a week
Ollama AI Provider npm · Model SDKs
Vercel AI provider for running LLMs locally using Ollama.
Used in 25 agent projects (0.2%) · 166K downloads a week
OnchainKit npm · Crypto and web3
React components and utilities for building onchain apps with Coinbase wallet integration.
Used in 36 agent projects (0.3%) · 13.5K downloads a week
only-allow npm · Dev workflow and config
Enforce a specific package manager for project dependencies.
Used in 21 agent projects (0.2%) · 1.6M downloads a week
ONNX Runtime pypi · ML and data science
Fast inference runtime for machine learning models in ONNX format.
Used in 23 agent projects (0.2%) · 20.8M downloads a week
open npm · Dev workflow and config
Cross-platform utility to open URLs, files and applications.
Used in 34 agent projects (0.3%) · 158M downloads a week
OpenAI npm · Model SDKs
Official TypeScript SDK for accessing OpenAI APIs including GPT and embeddings.
Used in 362 agent projects (2.9%) · 43.2M downloads a week
OpenAI Python Library pypi · Model SDKs
Official Python SDK to call OpenAI APIs including GPT models and embeddings.
Used in 244 agent projects (1.9%) · 75.1M downloads a week
OpenAPI TypeScript npm · Languages, types and runtimes
Generate TypeScript types from OpenAPI 3.0 and 3.1 schemas automatically.
Used in 21 agent projects (0.2%) · 9.1M downloads a week
OpenCV Python pypi · Files, images and media
Python bindings for OpenCV computer vision library for image/video processing.
Used in 57 agent projects (0.4%) · 7.6M downloads a week
OpenCV Python Headless pypi · Files, images and media
Computer vision library for image and video processing without GUI dependencies, ideal for server environments.
Used in 23 agent projects (0.2%) · 9.8M downloads a week
openpyxl pypi · Files, images and media
Python library for reading and writing Excel 2010 XLSX/XLSM files.
Used in 88 agent projects (0.7%) · 71.8M downloads a week
OpenTelemetry npm · Logging, monitoring and analytics
Standard APIs and SDKs for distributed tracing and observability.
Used in 78 agent projects (0.6%) · 91.6M downloads a week
OpenTelemetry API pypi · Logging, monitoring and analytics
Python API for instrumenting applications with distributed tracing and observability.
Used in 62 agent projects (0.5%) · 136M downloads a week
OpenTelemetry FastAPI Instrumentation pypi · Logging, monitoring and analytics
Auto-instrumentation for FastAPI applications to collect traces and metrics for observability and monitoring.
Used in 22 agent projects (0.2%) · 17.9M downloads a week
OpenTelemetry OTLP gRPC Exporter pypi · Logging, monitoring and analytics
Export OpenTelemetry observability data via Protobuf over gRPC.
Used in 25 agent projects (0.2%) · 27.9M downloads a week
OpenTelemetry SDK pypi · Logging, monitoring and analytics
Python SDK implementation for OpenTelemetry providing tracing, metrics and logging.
Used in 62 agent projects (0.5%) · 70.1M downloads a week
OpenZeppelin Contracts npm · Crypto and web3
Audited smart contract library for Solidity with secure reusable components.
Used in 166 agent projects (1.3%) · 954K downloads a week
Optuna pypi · ML and data science
Python framework for automated hyperparameter optimization and neural architecture search.
Used in 20 agent projects (0.2%) · 3.1M downloads a week
ora npm · Dev workflow and config
Elegant terminal spinner for displaying loading states in CLI applications.
Used in 85 agent projects (0.7%) · 94.4M downloads a week
orjson pypi · Utilities
Fast Python JSON library with support for dataclasses, dates, and NumPy types.
Used in 52 agent projects (0.4%) · 47.9M downloads a week
otplib npm · Auth and security libraries
TypeScript library for generating and verifying TOTP and HOTP one-time passwords.
Used in 20 agent projects (0.2%) · 3.7M downloads a week
oxfmt npm · Linting and formatting
Fast JavaScript formatter from the Oxc compiler project.
Used in 125 agent projects (1.0%) · 16.3M downloads a week
oxlint npm · Linting and formatting
Fast JavaScript linter written in Rust with zero-config defaults.
Used in 206 agent projects (1.6%) · 25.7M downloads a week
oxlint-tsgolint npm · Linting and formatting
High-performance type-aware TypeScript linter powered by TypeScript-Go.
Used in 55 agent projects (0.4%) · 11.2M downloads a week
p-limit npm · Utilities
Run multiple async functions with limited concurrency to control resource usage.
Used in 37 agent projects (0.3%) · 274M downloads a week
p-queue npm · Jobs, queues and workflows
Promise queue with concurrency control for managing async task execution.
Used in 21 agent projects (0.2%) · 37.3M downloads a week
packaging pypi · Build tools and bundlers
Core utilities for parsing and working with Python package versions and specifiers.
Used in 144 agent projects (1.1%) · 384M downloads a week
pako npm · Utilities
Fast zlib implementation in JavaScript with browser and Node.js support.
Used in 25 agent projects (0.2%) · 124M downloads a week
pandas pypi · ML and data science
Data manipulation and analysis library with DataFrames for structured data.
Used in 383 agent projects (3.0%) · 143M downloads a week
Papa Parse npm · Utilities
Fast CSV parser and generator with web worker support for processing large datasets.
Used in 88 agent projects (0.7%) · 16.5M downloads a week
Parsimonious pypi · Scraping, browsers and parsing
Pure-Python PEG parser for building domain-specific language parsers.
Used in 23 agent projects (0.2%) · 1.8M downloads a week
parso pypi · Languages, types and runtimes
Python parser library for syntax analysis and AST generation.
Used in 23 agent projects (0.2%) · 23.4M downloads a week
passlib pypi · Auth and security libraries
Comprehensive password hashing framework supporting 30+ algorithms and schemes.
Used in 70 agent projects (0.6%) · 7.4M downloads a week
passport-local npm · Auth and security libraries
Passport strategy for local username and password authentication.
Used in 39 agent projects (0.3%) · 1.7M downloads a week
Passport.js npm · Auth and security libraries
Modular authentication middleware for Node.js supporting OAuth, JWT and local strategies.
Used in 61 agent projects (0.5%) · 8.2M downloads a week
patch-package npm · Dev workflow and config
Fix broken node modules by creating and applying patches without publishing.
Used in 69 agent projects (0.5%) · 6.1M downloads a week
pathspec pypi · Utilities
Utility for gitignore-style pattern matching of file paths.
Used in 44 agent projects (0.3%) · 132M downloads a week
pdf-lib npm · Files, images and media
Create and modify PDF documents with JavaScript in Node.js and browsers.
Used in 69 agent projects (0.5%) · 17.3M downloads a week
pdf-parse npm · Files, images and media
Pure TypeScript module for extracting text, images and tables from PDFs cross-platform.
Used in 72 agent projects (0.6%) · 9.1M downloads a week
PDF.js npm · Files, images and media
Mozilla's PDF rendering library for displaying and working with PDFs in browsers.
Used in 86 agent projects (0.7%) · 32.1M downloads a week
PDFKit npm · Files, images and media
JavaScript library for generating PDFs programmatically.
Used in 30 agent projects (0.2%) · 10.3M downloads a week
pdfplumber pypi · Files, images and media
Extract text, tables and metadata from PDFs with precise character locations.
Used in 39 agent projects (0.3%) · 10.7M downloads a week
permissionless npm · Crypto and web3
Utility library for ERC-4337 account abstraction and smart account operations.
Used in 39 agent projects (0.3%) · 149K downloads a week
pexpect pypi · Utilities
Python library for controlling interactive console applications programmatically.
Used in 20 agent projects (0.2%) · 28.5M downloads a week
pg npm · Databases, ORMs and clients
PostgreSQL client for Node.js with pure JavaScript and libpq API compatibility.
Used in 372 agent projects (2.9%) · 63.4M downloads a week
PGlite npm · Databases, ORMs and clients
Run PostgreSQL in the browser or Node.js via WebAssembly with no external dependencies.
Used in 27 agent projects (0.2%) · 23.3M downloads a week
pgvector pypi · Databases, ORMs and clients
PostgreSQL vector type support for Python with embeddings.
Used in 25 agent projects (0.2%) · 8.4M downloads a week
Phaser npm · Game development
Fast, free HTML5 game framework for building 2D games for desktop and mobile.
Used in 517 agent projects (4.1%) · 493K downloads a week
phaser3-rex-plugins npm · Game development
Collection of community plugins extending Phaser 3 game engine capabilities.
Used in 26 agent projects (0.2%) · 15.8K downloads a week
Phosphor Icons npm · UI components and icons
Comprehensive icon library with React component support for consistent UI design.
Used in 49 agent projects (0.4%) · 5.1M downloads a week
picomatch npm · Utilities
Fast glob pattern matching library for file paths with full Bash glob feature support.
Used in 20 agent projects (0.2%) · 52M downloads a week
Pillow pypi · Files, images and media
Python imaging library for image processing, manipulation and conversion.
Used in 292 agent projects (2.3%) · 138M downloads a week
Pinata SDK npm · SDKs for hosted services
Official SDK for Pinata IPFS platform to manage files and content.
Used in 20 agent projects (0.2%) · 11.1K downloads a week
Pinia npm · State and data fetching
Intuitive, type-safe state management store for Vue applications.
Used in 69 agent projects (0.5%) · 5.2M downloads a week
Pinia Nuxt Module npm · State and data fetching
Official Pinia state management integration for Nuxt framework.
Used in 23 agent projects (0.2%) · 1M downloads a week
Pino npm · Logging, monitoring and analytics
Ultra-fast JSON logger for Node.js with minimal overhead.
Used in 129 agent projects (1.0%) · 53.3M downloads a week
pino-pretty npm · Logging, monitoring and analytics
Pretty-printer for Pino JSON logs to make terminal output human-readable.
Used in 223 agent projects (1.8%) · 24.6M downloads a week
Pixi.js npm · 3D and graphics
Fast 2D WebGL renderer for interactive graphics, games and animations.
Used in 29 agent projects (0.2%) · 1.4M downloads a week
Playwright (JavaScript) npm · Testing
Cross-browser automation library for end-to-end testing.
Used in 1,117 agent projects (8.8%) · 74.2M downloads a week
Playwright (Python) pypi · Scraping, browsers and parsing
High-level Python API for automating browser testing and web scraping.
Used in 68 agent projects (0.5%) · 26M downloads a week
Playwright Core npm · Scraping, browsers and parsing
Headless browser automation library for cross-browser testing and web scraping.
Used in 49 agent projects (0.4%) · 122M downloads a week
Plotly pypi · Charts and data visualisation
Interactive data visualization library for Python with rich chart and dashboard support.
Used in 74 agent projects (0.6%) · 12.5M downloads a week
pngjs npm · Files, images and media
Pure JavaScript PNG encoder/decoder with full async/sync support.
Used in 35 agent projects (0.3%) · 69.2M downloads a week
pnpm npm · Dev workflow and config
Fast, disk space efficient package manager for Node.js projects.
Used in 33 agent projects (0.3%) · 215M downloads a week
Popper npm · UI components and icons
Positioning engine for tooltips, popovers and dropdown menus.
Used in 27 agent projects (0.2%) · 23.6M downloads a week
postcss-import npm · Styling and CSS
PostCSS plugin to inline @import rules before other transformations.
Used in 46 agent projects (0.4%) · 41M downloads a week
postcss-loader npm · Build tools and bundlers
PostCSS loader for webpack to transform CSS with plugins.
Used in 25 agent projects (0.2%) · 17.9M downloads a week
postgres npm · HTTP clients and networking
Fast, full-featured PostgreSQL client for Node.js with real-time subscriptions.
Used in 139 agent projects (1.1%) · 21M downloads a week
PostHog JS npm · Logging, monitoring and analytics
Automatic event capture and product analytics SDK for JavaScript applications.
Used in 74 agent projects (0.6%) · 16M downloads a week
PostHog Node.js npm · Logging, monitoring and analytics
PostHog product analytics SDK for Node.js and server-side tracking.
Used in 34 agent projects (0.3%) · 13.3M downloads a week
Postprocessing npm · 3D and graphics
Post-processing effects library for Three.js rendering advanced visual effects.
Used in 109 agent projects (0.9%) · 977K downloads a week
PptxGenJS npm · Files, images and media
Create PowerPoint presentations programmatically with JavaScript.
Used in 23 agent projects (0.2%) · 3.5M downloads a week
pre-commit pypi · Dev workflow and config
Framework for managing and running multi-language git pre-commit hooks.
Used in 34 agent projects (0.3%) · 34.4M downloads a week
Prettier npm · Linting and formatting
Opinionated code formatter for JavaScript, TypeScript, and related languages.
Used in 2,218 agent projects (17.5%) · 138M downloads a week
Prettier Sort Imports Plugin npm · Linting and formatting
Prettier plugin to automatically sort and organize imports in a configured order.
Used in 49 agent projects (0.4%) · 2.6M downloads a week
pretty-quick npm · Linting and formatting
Prettier integration for Git pre-commit hooks to format changed files.
Used in 24 agent projects (0.2%) · 1.1M downloads a week
prism-react-renderer npm · Markdown, editors and content
React component for syntax-highlighted code with Prism.js.
Used in 31 agent projects (0.2%) · 5.1M downloads a week
Prisma npm · Databases, ORMs and clients
Modern ORM with intuitive schema, migrations, and type-safe database queries.
Used in 381 agent projects (3.0%) · 19M downloads a week
PrismJS npm · Markdown, editors and content
Lightweight syntax highlighter library supporting 600+ languages for code display.
Used in 30 agent projects (0.2%) · 33.4M downloads a week
Privy Auth npm · Auth and security libraries
React authentication SDK enabling Web2 and Web3 logins with embedded wallets.
Used in 107 agent projects (0.8%) · 430K downloads a week
Project Serum npm · Crypto and web3
TypeScript library for interacting with the Serum DEX on Solana blockchain.
Used in 62 agent projects (0.5%) · 36.6K downloads a week
prom-client npm · Logging, monitoring and analytics
Prometheus client library for instrumenting Node.js applications with metrics.
Used in 35 agent projects (0.3%) · 10M downloads a week
Prometheus Client pypi · Logging, monitoring and analytics
Python client library for instrumenting applications with Prometheus metrics.
Used in 83 agent projects (0.7%) · 35.1M downloads a week
prompt-sync npm · Dev workflow and config
Synchronous command-line prompt utility for Node.js CLI applications.
Used in 29 agent projects (0.2%) · 255K downloads a week
prompt-toolkit pypi · Dev workflow and config
Build powerful interactive command-line applications in Python.
Used in 44 agent projects (0.3%) · 45.9M downloads a week
prompts npm · Dev workflow and config
Lightweight library for creating beautiful interactive command-line prompts.
Used in 23 agent projects (0.2%) · 64.6M downloads a week
PropTypes npm · UI components and icons
Runtime type checking for React component props and object structures.
Used in 61 agent projects (0.5%) · 108M downloads a week
Protocol Buffers pypi · Forms, validation and schemas
Serialization format and code generator for structured data.
Used in 75 agent projects (0.6%) · 154M downloads a week
psutil pypi · Logging, monitoring and analytics
Cross-platform library for retrieving process and system monitoring information.
Used in 144 agent projects (1.1%) · 74.7M downloads a week
psycopg pypi · Databases, ORMs and clients
PostgreSQL database adapter for Python with async support.
Used in 80 agent projects (0.6%) · 38.8M downloads a week
psycopg2 pypi · Databases, ORMs and clients
Popular PostgreSQL adapter for Python with full database access and query execution.
Used in 143 agent projects (1.1%) · 50.7M downloads a week
Puppeteer npm · Scraping, browsers and parsing
Headless Chrome/Chromium automation for scraping, testing and screenshot generation.
Used in 115 agent projects (0.9%) · 11.4M downloads a week
Puppeteer Core npm · Scraping, browsers and parsing
Headless Chrome/Chromium control library for automation and testing.
Used in 31 agent projects (0.2%) · 22.8M downloads a week
Pusher Channels npm · HTTP clients and networking
JavaScript library for real-time messaging and WebSocket communication.
Used in 35 agent projects (0.3%) · 3.1M downloads a week
PyArrow pypi · ML and data science
Python library implementing Apache Arrow for efficient columnar data storage and processing.
Used in 60 agent projects (0.5%) · 92.6M downloads a week
pyasn1 pypi · Auth and security libraries
Pure Python implementation of ASN.1 types and DER/BER/CER codecs.
Used in 43 agent projects (0.3%) · 102M downloads a week
pycparser pypi · Languages, types and runtimes
C language parser written in pure Python for language tools.
Used in 83 agent projects (0.7%) · 23M downloads a week
PyCryptodome pypi · Auth and security libraries
Self-contained cryptography library for Python with encryption, hashing and signing.
Used in 51 agent projects (0.4%) · 17.4M downloads a week
Pydantic pypi · Forms, validation and schemas
Data validation and parsing library using Python type hints.
Used in 649 agent projects (5.1%) · 222M downloads a week
Pydantic Settings pypi · Dev workflow and config
Settings management and configuration from environment variables using Pydantic.
Used in 251 agent projects (2.0%) · 96.8M downloads a week
pydub pypi · Files, images and media
Audio manipulation library for Python with high-level interface for editing and format conversion.
Used in 26 agent projects (0.2%) · 3.9M downloads a week
Pygments pypi · Markdown, editors and content
Syntax highlighting library for code in Python supporting hundreds of programming languages.
Used in 97 agent projects (0.8%) · 239M downloads a week
PyJWT pypi · Auth and security libraries
Python library for encoding and decoding JSON Web Tokens.
Used in 128 agent projects (1.0%) · 154M downloads a week
Pylint pypi · Linting and formatting
Python static code analyzer for detecting errors and style issues.
Used in 20 agent projects (0.2%) · 9.1M downloads a week
PyMongo pypi · Databases, ORMs and clients
Official MongoDB Python driver for querying and managing MongoDB databases.
Used in 35 agent projects (0.3%) · 15.9M downloads a week
PyMuPDF pypi · Files, images and media
High-performance library for PDF extraction, conversion and manipulation.
Used in 34 agent projects (0.3%) · 22.1M downloads a week
PyMySQL pypi · Databases, ORMs and clients
Pure Python MySQL database driver for database operations.
Used in 25 agent projects (0.2%) · 17.7M downloads a week
PyNaCl pypi · Auth and security libraries
Python binding to NaCl cryptography library for secure encryption and signing.
Used in 58 agent projects (0.5%) · 38.9M downloads a week
PyOTP pypi · Auth and security libraries
Generate and validate one-time passwords (OTP) for two-factor authentication.
Used in 21 agent projects (0.2%) · 8.2M downloads a week
pyparsing pypi · Utilities
Python library for defining and executing parsing grammars for language processing.
Used in 48 agent projects (0.4%) · 81.1M downloads a week
PyPDF pypi · Files, images and media
Pure-Python library for reading, merging, splitting and transforming PDF files.
Used in 56 agent projects (0.4%) · 34.2M downloads a week
PyPDF2 pypi · Files, images and media
Pure Python library for splitting, merging, cropping and transforming PDF files.
Used in 39 agent projects (0.3%) · 3.3M downloads a week
pytesseract pypi · Files, images and media
Python wrapper for Tesseract OCR to extract text from images and PDFs.
Used in 39 agent projects (0.3%) · 4.4M downloads a week
pytest pypi · Testing
Simple, powerful Python testing framework with fixtures and plugins.
Used in 330 agent projects (2.6%) · 196M downloads a week
python-dateutil pypi · Utilities
Extensions to Python's datetime module for advanced date and time manipulation.
Used in 165 agent projects (1.3%) · 233M downloads a week
python-docx pypi · Files, images and media
Python library for creating, reading and updating Microsoft Word .docx files.
Used in 58 agent projects (0.5%) · 25M downloads a week
python-dotenv pypi · Dev workflow and config
Load environment variables from .env files in Python applications.
Used in 828 agent projects (6.5%) · 156M downloads a week
python-jose pypi · Auth and security libraries
JOSE (JSON Object Signing and Encryption) implementation for Python.
Used in 70 agent projects (0.6%) · 7.7M downloads a week
python-json-logger pypi · Logging, monitoring and analytics
JSON formatter for Python logging to emit structured logs for log aggregation.
Used in 37 agent projects (0.3%) · 22M downloads a week
python-multipart pypi · HTTP servers and APIs
Streaming multipart parser for handling file uploads in Python web frameworks.
Used in 217 agent projects (1.7%) · 92.8M downloads a week
python-pptx pypi · Files, images and media
Create, read, and modify PowerPoint presentations programmatically in Python.
Used in 26 agent projects (0.2%) · 23.2M downloads a week
python-telegram-bot pypi · SDKs for hosted services
Python wrapper library for building Telegram bots with the Telegram Bot API.
Used in 65 agent projects (0.5%) · 1.6M downloads a week
PyTorch pypi · ML and data science
Deep learning framework with tensors and dynamic neural networks with GPU support.
Used in 109 agent projects (0.9%) · 13.2M downloads a week
pytz pypi · Utilities
Python timezone library with historical and modern timezone definitions.
Used in 127 agent projects (1.0%) · 106M downloads a week
pywin32 pypi · Desktop and mobile apps
Python Windows API bindings for accessing Windows-specific functionality.
Used in 30 agent projects (0.2%) · 3.5M downloads a week
PyYAML pypi · Utilities
YAML parser and emitter for reading and writing YAML configuration files.
Used in 385 agent projects (3.0%) · 239M downloads a week
PyZMQ pypi · HTTP clients and networking
Python bindings for 0MQ distributed messaging library.
Used in 20 agent projects (0.2%) · 23M downloads a week
Qdrant Client pypi · Databases, ORMs and clients
Python client library for Qdrant vector database for semantic search and embeddings.
Used in 26 agent projects (0.2%) · 3.1M downloads a week
qrcode (JavaScript) npm · Files, images and media
Generate QR codes on server and client using canvas with Node.js and browser support.
Used in 163 agent projects (1.3%) · 29.7M downloads a week
qrcode (Python) pypi · Files, images and media
Generate QR code images from Python, useful for encoding URLs and data.
Used in 27 agent projects (0.2%) · 7.6M downloads a week
qrcode.react npm · UI components and icons
React component for generating QR codes with customizable styling and options.
Used in 96 agent projects (0.8%) · 9.7M downloads a week
qs npm · Utilities
Query string parser with nesting and array support.
Used in 25 agent projects (0.2%) · 188M downloads a week
r3f-perf npm · 3D and graphics
Performance monitoring tool for React Three Fiber applications.
Used in 78 agent projects (0.6%) · 31.1K downloads a week
Radix UI npm · UI components and icons
Unstyled, accessible component primitives for building design systems.
Used in 1,519 agent projects (12.0%) · 182M downloads a week
RainbowKit npm · Crypto and web3
React components and hooks for connecting EVM wallets to web3 apps with built-in UI.
Used in 276 agent projects (2.2%) · 188K downloads a week
RapidFuzz pypi · Utilities
High-performance fuzzy string matching library for Python, used for search and similarity detection.
Used in 22 agent projects (0.2%) · 28.6M downloads a week
raw-loader npm · Build tools and bundlers
Webpack loader that imports files as raw strings.
Used in 70 agent projects (0.6%) · 4.2M downloads a week
Raydium SDK npm · Crypto and web3
SDK for building decentralized finance applications on Solana using Raydium AMM.
Used in 90 agent projects (0.7%) · 23.9K downloads a week
Razorpay npm · SDKs for hosted services
Official Node.js SDK for Razorpay payment gateway integration.
Used in 21 agent projects (0.2%) · 383K downloads a week
React npm · Web frameworks
JavaScript library for building interactive user interfaces with components.
Used in 5,510 agent projects (43.4%) · 186M downloads a week
React ApexCharts npm · Charts and data visualisation
React wrapper for ApexCharts with server-side rendering support.
Used in 21 agent projects (0.2%) · 1M downloads a week
React Aria Components npm · UI components and icons
Accessible, unstyled React component library built on React Aria.
Used in 25 agent projects (0.2%) · 4.8M downloads a week
React Bootstrap npm · UI components and icons
Bootstrap 5 components rebuilt as React components with React API.
Used in 43 agent projects (0.3%) · 1.3M downloads a week
React Chart.js 2 npm · Charts and data visualisation
React components wrapper for Chart.js enabling data visualization with charts.
Used in 111 agent projects (0.9%) · 4.4M downloads a week
React Compiler Babel Plugin npm · Build tools and bundlers
Babel plugin for React Compiler that optimizes React component rendering.
Used in 202 agent projects (1.6%) · 17.8M downloads a week
React Confetti npm · Animation and motion
React component for rendering animated confetti effects on page.
Used in 34 agent projects (0.3%) · 2.3M downloads a week
React Datepicker npm · UI components and icons
Reusable React datepicker component with extensive customization.
Used in 34 agent projects (0.3%) · 5.1M downloads a week
React Day Picker npm · UI components and icons
Flexible and customizable date picker component for React.
Used in 675 agent projects (5.3%) · 42.8M downloads a week
React DnD npm · UI components and icons
React library for building flexible drag-and-drop interfaces.
Used in 34 agent projects (0.3%) · 5.4M downloads a week
React Dropzone npm · UI components and icons
React component for HTML5 drag-and-drop file upload zones.
Used in 132 agent projects (1.0%) · 13.5M downloads a week
React Email npm · Markdown, editors and content
React components for building responsive HTML emails programmatically.
Used in 67 agent projects (0.5%) · 7.5M downloads a week
React Flow npm · UI components and icons
Customizable React library for building node-based editors and interactive flow diagrams.
Used in 26 agent projects (0.2%) · 2.3M downloads a week
React Google Maps API npm · SDKs for hosted services
React wrapper for Google Maps API with hooks support.
Used in 25 agent projects (0.2%) · 1.9M downloads a week
React Helmet npm · Web frameworks
Manage document head (title, meta tags) in React applications.
Used in 43 agent projects (0.3%) · 3.2M downloads a week
React Hook Form npm · Forms, validation and schemas
Performant form state library using React Hooks with minimal rerenders.
Used in 1,021 agent projects (8.0%) · 54.7M downloads a week
React Hook Form Resolvers npm · Forms, validation and schemas
Validation resolvers for React Hook Form supporting Zod, Yup, and others.
Used in 885 agent projects (7.0%) · 45.1M downloads a week
React Hot Toast npm · UI components and icons
Lightweight, customizable toast notification component library for React.
Used in 261 agent projects (2.1%) · 3.8M downloads a week
React Icons npm · UI components and icons
Popular icon packs imported as React components with ES6.
Used in 688 agent projects (5.4%) · 8.8M downloads a week
React Leaflet npm · 3D and graphics
React components for Leaflet maps enabling interactive mapping in React applications.
Used in 121 agent projects (1.0%) · 3.7M downloads a week
React Native npm · Desktop and mobile apps
Framework for building native iOS and Android apps with React and JavaScript.
Used in 207 agent projects (1.6%) · 14.2M downloads a week
React Native Async Storage npm · Desktop and mobile apps
Persistent key-value storage for React Native apps replacing AsyncStorage.
Used in 114 agent projects (0.9%) · 7.5M downloads a week
React Native Babel Preset npm · Build tools and bundlers
Babel preset optimized for transforming React Native code for mobile applications.
Used in 22 agent projects (0.2%) · 11.6M downloads a week
React Native DateTimePicker npm · Desktop and mobile apps
Native date and time picker component for React Native apps with platform-specific UI.
Used in 22 agent projects (0.2%) · 2.7M downloads a week
React Native Gesture Handler npm · Desktop and mobile apps
Declarative gesture handling for React Native with native performance.
Used in 128 agent projects (1.0%) · 9.1M downloads a week
React Native NetInfo npm · Desktop and mobile apps
Network connectivity status detection API for React Native apps.
Used in 33 agent projects (0.3%) · 2.9M downloads a week
React Native Reanimated npm · Animation and motion
High-performance animation library for React Native with worklet support.
Used in 129 agent projects (1.0%) · 9.3M downloads a week
React Native Vector Icons npm · UI components and icons
Customizable icon library for React Native with NavBar and TabBar support.
Used in 20 agent projects (0.2%) · 553K downloads a week
React Native Web npm · Web frameworks
React Native APIs and components for web allowing code sharing between web and mobile.
Used in 121 agent projects (1.0%) · 7.2M downloads a week
React Native WebView npm · Desktop and mobile apps
WebView component for React Native enabling embedded web content in mobile apps.
Used in 49 agent projects (0.4%) · 5.2M downloads a week
React Native Worklets npm · Desktop and mobile apps
Multithreading library for React Native with JavaScript Worker support.
Used in 76 agent projects (0.6%) · 8.7M downloads a week
React Navigation npm · Desktop and mobile apps
Navigation library for React Native apps with stack, tab and drawer navigators.
Used in 117 agent projects (0.9%) · 6M downloads a week
React Navigation Bottom Tabs npm · Desktop and mobile apps
iOS-style bottom tab navigation component for React Native applications.
Used in 89 agent projects (0.7%) · 4.3M downloads a week
React Navigation Native Stack npm · Desktop and mobile apps
Native stack navigator for React Native using react-native-screens for performance.
Used in 47 agent projects (0.4%) · 4.4M downloads a week
React Navigation Stack npm · Desktop and mobile apps
Stack navigator for React Native with animated transitions and gesture support.
Used in 20 agent projects (0.2%) · 862K downloads a week
React Parallax Tilt npm · Animation and motion
Lightweight React component for 3D tilt hover effects without dependencies.
Used in 34 agent projects (0.3%) · 43.3K downloads a week
React Redux npm · State and data fetching
Official React bindings for Redux state management with hooks.
Used in 135 agent projects (1.1%) · 39.2M downloads a week
React Responsive Masonry npm · UI components and icons
Responsive masonry grid layout component for React using CSS flexbox.
Used in 21 agent projects (0.2%) · 281K downloads a week
React Router npm · Web frameworks
Declarative routing library for building single-page React applications.
Used in 972 agent projects (7.7%) · 44.8M downloads a week
React Spring npm · Animation and motion
Physics-based animation library for React and React Three Fiber with smooth transitions.
Used in 97 agent projects (0.8%) · 1.9M downloads a week
React Syntax Highlighter npm · Markdown, editors and content
React component for syntax highlighting code with Prism.js or Highlight.js.
Used in 110 agent projects (0.9%) · 7.8M downloads a week
React Three Fiber npm · 3D and graphics
React renderer for Three.js enabling 3D graphics with component patterns.
Used in 2,360 agent projects (18.6%) · 6M downloads a week
React Toastify npm · UI components and icons
React notification library for displaying toast messages with animations.
Used in 160 agent projects (1.3%) · 3M downloads a week
React Transition Group npm · Animation and motion
React component library for managing animations and transitions declaratively.
Used in 21 agent projects (0.2%) · 49.9M downloads a week
React Vertical Timeline Component npm · UI components and icons
React component for rendering responsive vertical timeline layouts.
Used in 120 agent projects (0.9%) · 58.1K downloads a week
react-app-rewired npm · Build tools and bundlers
Override Create React App webpack config without ejecting or forking react-scripts.
Used in 27 agent projects (0.2%) · 284K downloads a week
react-device-detect npm · Utilities
Detect device type and render components conditionally based on device capabilities.
Used in 25 agent projects (0.2%) · 2.2M downloads a week
react-easy-crop npm · Files, images and media
React component for intuitive image and video cropping interactions.
Used in 23 agent projects (0.2%) · 3.7M downloads a week
react-error-boundary npm · Web frameworks
Reusable React Error Boundary component for error handling.
Used in 75 agent projects (0.6%) · 14.8M downloads a week
react-fast-marquee npm · Animation and motion
High-performance React component for smooth scrolling marquee animations using CSS.
Used in 57 agent projects (0.4%) · 477K downloads a week
react-helmet-async npm · Web frameworks
Thread-safe document head manager for React to control meta tags and title.
Used in 55 agent projects (0.4%) · 4.5M downloads a week
react-hotkeys-hook npm · Utilities
React hook for handling keyboard shortcuts and key combinations in applications.
Used in 26 agent projects (0.2%) · 4.9M downloads a week
react-i18next npm · Utilities
React integration for i18next internationalization enabling multi-language support.
Used in 116 agent projects (0.9%) · 17.3M downloads a week
react-intersection-observer npm · Utilities
React hook for observing element visibility using IntersectionObserver API.
Used in 146 agent projects (1.1%) · 4.8M downloads a week
react-lottie npm · Animation and motion
React wrapper for Lottie animations enabling smooth JSON-based animation rendering.
Used in 29 agent projects (0.2%) · 575K downloads a week
react-markdown npm · Markdown, editors and content
React component for rendering markdown with customizable component handling.
Used in 360 agent projects (2.8%) · 37.2M downloads a week
react-modal npm · UI components and icons
Accessible modal dialog component for React with WAI-ARIA compliance.
Used in 27 agent projects (0.2%) · 3.1M downloads a week
react-native-mmkv npm · Desktop and mobile apps
Fast key-value storage library for React Native apps.
Used in 25 agent projects (0.2%) · 1.2M downloads a week
react-native-safe-area-context npm · Desktop and mobile apps
Handle safe areas in React Native on iOS, Android and web platforms.
Used in 159 agent projects (1.3%) · 10.5M downloads a week
react-native-screens npm · Desktop and mobile apps
Native navigation primitives for React Native with performance optimizations.
Used in 154 agent projects (1.2%) · 9.8M downloads a week
react-native-svg npm · Desktop and mobile apps
SVG rendering library for React Native enabling scalable vector graphics in mobile apps.
Used in 102 agent projects (0.8%) · 8.4M downloads a week
react-number-format npm · Forms, validation and schemas
React component for formatting numbers in inputs with support for currencies, decimals, phone numbers and more.
Used in 22 agent projects (0.2%) · 5.4M downloads a week
react-pdf npm · Files, images and media
Display and render PDF documents in React applications with a simple component-based API.
Used in 27 agent projects (0.2%) · 6.7M downloads a week
react-player npm · Files, images and media
React component for playing files, YouTube, Vimeo and more video formats.
Used in 25 agent projects (0.2%) · 2.7M downloads a week
react-qr-code npm · UI components and icons
QR code generator component for React and React Native applications.
Used in 44 agent projects (0.3%) · 2.8M downloads a week
react-resizable-panels npm · UI components and icons
Resizable panel layout component for React with keyboard and touch support.
Used in 545 agent projects (4.3%) · 32M downloads a week
react-responsive npm · Styling and CSS
React library for implementing responsive design with CSS media queries.
Used in 54 agent projects (0.4%) · 1.4M downloads a week
react-scripts npm · Build tools and bundlers
Build configuration and scripts for Create React App zero-configuration setup.
Used in 231 agent projects (1.8%) · 2.4M downloads a week
react-scroll npm · Utilities
Scroll component library for React with smooth scrolling and navigation.
Used in 33 agent projects (0.3%) · 691K downloads a week
react-select npm · UI components and icons
Flexible and accessible select dropdown component for React applications.
Used in 39 agent projects (0.3%) · 9.3M downloads a week
react-slick npm · UI components and icons
React carousel/slider component with touch support and customization.
Used in 43 agent projects (0.3%) · 1.4M downloads a week
react-spinners npm · UI components and icons
Collection of customizable loading spinner components for React.
Used in 44 agent projects (0.3%) · 755K downloads a week
react-spring npm · Animation and motion
React animation library using physics-based spring dynamics.
Used in 32 agent projects (0.3%) · 1.1M downloads a week
react-test-renderer npm · Testing
React package for snapshot testing without rendering to the DOM.
Used in 66 agent projects (0.5%) · 9.3M downloads a week
react-textarea-autosize npm · UI components and icons
Textarea component that automatically grows with content.
Used in 25 agent projects (0.2%) · 9.1M downloads a week
react-tilt npm · Animation and motion
React component that adds smooth tilt hover effects to elements.
Used in 82 agent projects (0.6%) · 4,872 downloads a week
react-tooltip npm · UI components and icons
React component library for displaying accessible tooltips on hover or focus.
Used in 29 agent projects (0.2%) · 2.1M downloads a week
react-type-animation npm · Animation and motion
React component for typing animation effects with full customization support.
Used in 28 agent projects (0.2%) · 404K downloads a week
react-use npm · Utilities
Collection of essential React Hooks for common use cases and side effects.
Used in 49 agent projects (0.4%) · 3.4M downloads a week
react-use-measure npm · Utilities
React hook to measure element dimensions and position.
Used in 24 agent projects (0.2%) · 7.9M downloads a week
react-window npm · Utilities
Virtualization library for rendering large lists and grids efficiently in React.
Used in 39 agent projects (0.3%) · 6.5M downloads a week
react-wrap-balancer npm · UI components and icons
React component that automatically balances text wrapping for more readable headings.
Used in 29 agent projects (0.2%) · 249K downloads a week
reading-time npm · Utilities
Estimates reading time for text content, useful for articles, blog posts and content platforms.
Used in 23 agent projects (0.2%) · 1M downloads a week
Recharts npm · Charts and data visualisation
Composable React component library for building responsive charts.
Used in 1,037 agent projects (8.2%) · 56.3M downloads a week
redis (JavaScript) npm · Databases, ORMs and clients
Modern high-performance Redis client for Node.js with full feature support.
Used in 73 agent projects (0.6%) · 14.3M downloads a week
redis (Python) pypi · HTTP clients and networking
Python client library for connecting to and querying Redis data stores.
Used in 142 agent projects (1.1%) · 50.7M downloads a week
Redux npm · State and data fetching
Predictable state management library for JavaScript applications with time-travel.
Used in 40 agent projects (0.3%) · 45.6M downloads a week
Redux Toolkit npm · State and data fetching
Official Redux library with built-in best practices and reduced boilerplate for state management.
Used in 120 agent projects (0.9%) · 32.6M downloads a week
redux-persist npm · State and data fetching
Persist and rehydrate Redux store state to local storage.
Used in 25 agent projects (0.2%) · 1.7M downloads a week
rehype-autolink-headings npm · Markdown, editors and content
Rehype plugin to automatically add links to markdown/HTML headings.
Used in 34 agent projects (0.3%) · 2.3M downloads a week
rehype-highlight npm · Markdown, editors and content
rehype plugin to add syntax highlighting to code blocks using highlight.js.
Used in 39 agent projects (0.3%) · 2.3M downloads a week
rehype-katex npm · Markdown, editors and content
Transform math expressions to rendered KaTeX for displaying equations in Markdown.
Used in 50 agent projects (0.4%) · 7.6M downloads a week
rehype-pretty-code npm · Markdown, editors and content
Syntax highlighting plugin for rehype to render beautiful code blocks in Markdown/MDX.
Used in 26 agent projects (0.2%) · 703K downloads a week
rehype-raw npm · Markdown, editors and content
rehype plugin that parses raw HTML within Markdown/rehype syntax trees.
Used in 52 agent projects (0.4%) · 20.4M downloads a week
rehype-sanitize npm · Markdown, editors and content
rehype plugin to sanitize HTML and prevent XSS attacks in content.
Used in 39 agent projects (0.3%) · 13M downloads a week
rehype-slug npm · Markdown, editors and content
rehype plugin that adds auto-generated id attributes to headings for linking.
Used in 54 agent projects (0.4%) · 4.3M downloads a week
Reka UI npm · UI components and icons
Vue component library porting Radix UI primitives for headless development.
Used in 34 agent projects (0.3%) · 2.2M downloads a week
remark npm · Markdown, editors and content
Markdown processor powered by unified ecosystem plugins for transforming content.
Used in 36 agent projects (0.3%) · 6.4M downloads a week
remark-frontmatter npm · Markdown, editors and content
Remark plugin to parse and handle YAML/TOML frontmatter in markdown.
Used in 23 agent projects (0.2%) · 6M downloads a week
remark-gfm npm · Markdown, editors and content
Remark plugin adding GitHub Flavored Markdown support for tables and strikethrough.
Used in 288 agent projects (2.3%) · 44.5M downloads a week
remark-math npm · Markdown, editors and content
Remark plugin to parse and stringify LaTeX math expressions in markdown documents.
Used in 63 agent projects (0.5%) · 8.6M downloads a week
remark-parse npm · Markdown, editors and content
Remark plugin to parse markdown input into abstract syntax trees.
Used in 27 agent projects (0.2%) · 55.7M downloads a week
remark-rehype npm · Markdown, editors and content
Converts Markdown to HTML via unified plugins, bridging remark and rehype ecosystems for content processing.
Used in 22 agent projects (0.2%) · 48.2M downloads a week
Reown AppKit npm · Crypto and web3
Full-stack toolkit for building onchain app UX with wallet integration and Web3 features.
Used in 74 agent projects (0.6%) · 1.7M downloads a week
Reown AppKit Wagmi Adapter npm · Crypto and web3
Web3 wallet connection and onchain UX toolkit for building decentralized applications.
Used in 62 agent projects (0.5%) · 149K downloads a week
ReportLab pypi · Files, images and media
Python library for generating PDFs and graphics programmatically.
Used in 32 agent projects (0.3%) · 16.2M downloads a week
Requests pypi · HTTP clients and networking
Elegant Python HTTP library for making web requests.
Used in 675 agent projects (5.3%) · 309M downloads a week
requests-oauthlib pypi · Auth and security libraries
OAuth authentication support for the Requests HTTP library.
Used in 23 agent projects (0.2%) · 60M downloads a week
Resend npm · SDKs for hosted services
Node.js SDK for Resend email API to send transactional emails.
Used in 235 agent projects (1.9%) · 12.9M downloads a week
rfc3986 pypi · Utilities
Python library for parsing and validating URIs according to RFC 3986 specification.
Used in 30 agent projects (0.2%) · 5.5M downloads a week
Rich pypi · Dev workflow and config
Python library for rich text and beautiful formatting in terminal output.
Used in 243 agent projects (1.9%) · 117M downloads a week
rimraf npm · Dev workflow and config
Cross-platform delete directories and files recursively like Unix rm -rf command.
Used in 230 agent projects (1.8%) · 16M downloads a week
rlp pypi · Crypto and web3
Recursive Length Prefix encoding/decoding for Ethereum and blockchain data serialization.
Used in 26 agent projects (0.2%) · 1.8M downloads a week
Rolldown Babel Plugin npm · Build tools and bundlers
Rolldown plugin for Babel code transformation and transpilation.
Used in 24 agent projects (0.2%) · 5.4M downloads a week
Rollup npm · Build tools and bundlers
Next-generation ES module bundler for libraries and optimized production builds.
Used in 70 agent projects (0.6%) · 101M downloads a week
rollup-plugin-visualizer npm · Build tools and bundlers
Visualize bundle size and composition to identify and optimize large modules.
Used in 41 agent projects (0.3%) · 8.1M downloads a week
rpc-websockets npm · HTTP clients and networking
JSON-RPC 2.0 over WebSockets for Node.js real-time communication.
Used in 34 agent projects (0.3%) · 2.1M downloads a week
rsa pypi · Auth and security libraries
Pure Python RSA encryption and decryption implementation for secure communication.
Used in 28 agent projects (0.2%) · 45.9M downloads a week
RSS Parser npm · Scraping, browsers and parsing
Parse RSS feeds in Node.js and browser with simple, lightweight API.
Used in 21 agent projects (0.2%) · 878K downloads a week
ruamel.yaml pypi · Forms, validation and schemas
Advanced YAML parser preserving comments, key order and formatting while supporting roundtrip serialization.
Used in 22 agent projects (0.2%) · 37.3M downloads a week
Ruff pypi · Linting and formatting
Extremely fast Python linter and code formatter written in Rust for modern projects.
Used in 58 agent projects (0.5%) · 82.7M downloads a week
RxJS npm · State and data fetching
Reactive programming library for composing async events and data streams in JavaScript.
Used in 176 agent projects (1.4%) · 104M downloads a week
safetensors pypi · ML and data science
Safe and fast serialization format for machine learning model tensors used by Hugging Face and PyTorch.
Used in 22 agent projects (0.2%) · 19.7M downloads a week
sanitize-html npm · Markdown, editors and content
Clean up user-submitted HTML while preserving allowlisted elements and attributes.
Used in 38 agent projects (0.3%) · 11.7M downloads a week
Sass npm · Styling and CSS
CSS preprocessor adding variables, nesting and mixins to stylesheets.
Used in 233 agent projects (1.8%) · 30.9M downloads a week
sass-embedded npm · Styling and CSS
Node.js library communicating with Embedded Dart Sass via Embedded Sass protocol.
Used in 28 agent projects (0.2%) · 6.8M downloads a week
sass-loader npm · Build tools and bundlers
Webpack loader to compile Sass/SCSS into CSS during the build process.
Used in 40 agent projects (0.3%) · 12.6M downloads a week
schedule pypi · Jobs, queues and workflows
Simple Python library for scheduling jobs to run at regular intervals.
Used in 29 agent projects (0.2%) · 1.3M downloads a week
scikit-learn pypi · ML and data science
Python machine learning library with classification, regression and clustering algorithms.
Used in 160 agent projects (1.3%) · 44.3M downloads a week
SciPy pypi · ML and data science
Fundamental algorithms for scientific computing with optimized numerical routines.
Used in 141 agent projects (1.1%) · 72.2M downloads a week
Seaborn pypi · Charts and data visualisation
Statistical data visualization library built on matplotlib with rich plot types.
Used in 66 agent projects (0.5%) · 6.8M downloads a week
Selenium pypi · Scraping, browsers and parsing
Official Python bindings for browser automation and web scraping.
Used in 34 agent projects (0.3%) · 7M downloads a week
Semantic Release Commit Analyzer npm · Dev workflow and config
Analyzes commits with conventional-changelog for semantic versioning.
Used in 21 agent projects (0.2%) · 3M downloads a week
Semantic Release Exec npm · Dev workflow and config
Execute custom shell commands as part of semantic-release workflows.
Used in 21 agent projects (0.2%) · 927K downloads a week
semantic-release npm · Dev workflow and config
Automates versioning and package publishing based on semantic commit conventions.
Used in 60 agent projects (0.5%) · 3M downloads a week
semver npm · Utilities
Parser and utilities for semantic versioning, widely used across Node.js ecosystems.
Used in 62 agent projects (0.5%) · 865M downloads a week
SendGrid Mail npm · SDKs for hosted services
Official Node.js SDK for sending emails via Twilio SendGrid.
Used in 23 agent projects (0.2%) · 4.7M downloads a week
Sentence Transformers pypi · ML and data science
Pre-trained models for semantic embeddings, retrieval and reranking.
Used in 83 agent projects (0.7%) · 5.1M downloads a week
Sentry for Next.js npm · Logging, monitoring and analytics
Official Sentry SDK for error tracking and performance monitoring in Next.js apps.
Used in 119 agent projects (0.9%) · 11.7M downloads a week
Sentry Node SDK npm · Logging, monitoring and analytics
Error tracking and performance monitoring for Node.js with OpenTelemetry instrumentation.
Used in 39 agent projects (0.3%) · 38.8M downloads a week
Sentry React npm · Logging, monitoring and analytics
Official Sentry SDK for React error tracking and performance monitoring.
Used in 34 agent projects (0.3%) · 27.9M downloads a week
Sentry SDK pypi · Logging, monitoring and analytics
Error tracking and performance monitoring SDK for Python applications.
Used in 35 agent projects (0.3%) · 33.5M downloads a week
serve npm · Dev workflow and config
Lightweight static file server with directory listing for local development and testing.
Used in 30 agent projects (0.2%) · 3.9M downloads a week
serverless-http npm · HTTP servers and APIs
Adapt Node.js web frameworks like Express to run on serverless platforms.
Used in 27 agent projects (0.2%) · 398K downloads a week
setuptools pypi · Build tools and bundlers
Extensible Python build backend with C/C++ extension module and packaging support.
Used in 67 agent projects (0.5%) · 225M downloads a week
shadcn/ui npm · UI components and icons
Copy-paste React component library built on Radix UI and Tailwind CSS.
Used in 328 agent projects (2.6%) · 11.8M downloads a week
Sharp npm · Files, images and media
High-speed image processing for resizing, converting JPEG, PNG, WebP, GIF formats.
Used in 390 agent projects (3.1%) · 115M downloads a week
SheetJS npm · Files, images and media
Parse and generate spreadsheets (Excel, CSV) in Node.js and browsers.
Used in 146 agent projects (1.1%) · 12.7M downloads a week
shellingham pypi · Utilities
Detect the surrounding shell environment in Python for CLI applications.
Used in 36 agent projects (0.3%) · 66.7M downloads a week
Shiki npm · Markdown, editors and content
Beautiful syntax highlighter powered by TextMate grammars with superior accuracy.
Used in 89 agent projects (0.7%) · 24.9M downloads a week
shx npm · Dev workflow and config
Cross-platform shell commands for Node.js scripts without shell dependencies.
Used in 39 agent projects (0.3%) · 1.3M downloads a week
Sign-In with Ethereum npm · Crypto and web3
Standard library for Sign-In with Ethereum authentication on web3 applications.
Used in 38 agent projects (0.3%) · 200K downloads a week
simple-git npm · Dev workflow and config
Simple Git interface for Node.js to execute Git commands programmatically.
Used in 20 agent projects (0.2%) · 12.4M downloads a week
simple-git-hooks npm · Dev workflow and config
Zero-dependency tool for setting up git hooks (pre-commit, pre-push) easily.
Used in 52 agent projects (0.4%) · 806K downloads a week
Simplex Noise npm · 3D and graphics
Fast Simplex noise implementation for procedural generation in games and graphics.
Used in 51 agent projects (0.4%) · 366K downloads a week
Sinon.JS npm · Testing
Test spies, stubs and mocks library for JavaScript unit and integration testing.
Used in 28 agent projects (0.2%) · 10.7M downloads a week
Slick Carousel npm · UI components and icons
Fully-featured jQuery carousel plugin with touch support and responsive design.
Used in 38 agent projects (0.3%) · 1.1M downloads a week
SlowAPI pypi · Auth and security libraries
Rate limiting extension for FastAPI and Starlette to protect APIs from abuse.
Used in 27 agent projects (0.2%) · 5.5M downloads a week
slugify npm · Utilities
Convert strings to URL-friendly slugs with character handling.
Used in 32 agent projects (0.3%) · 18.8M downloads a week
smol-toml npm · Utilities
Small, fast, and correct TOML parser and serializer for configuration files.
Used in 20 agent projects (0.2%) · 41.2M downloads a week
Socket.IO npm · HTTP clients and networking
Real-time bidirectional communication library for Node.js with fallback transports.
Used in 121 agent projects (1.0%) · 19M downloads a week
Socket.IO Client npm · HTTP clients and networking
Real-time bidirectional communication library for JavaScript with fallbacks.
Used in 147 agent projects (1.2%) · 15.2M downloads a week
Solana Actions npm · Crypto and web3
SDK for building Solana blockchain transactions and interactions in web applications.
Used in 54 agent projects (0.4%) · 637 downloads a week
Solana Bankrun npm · Crypto and web3
Local Solana runtime for testing and developing Solana smart contracts and dApps without mainnet/devnet.
Used in 23 agent projects (0.2%) · 16K downloads a week
Solana Developers Helpers npm · Crypto and web3
Utility library with helper functions for Solana blockchain development.
Used in 53 agent projects (0.4%) · 14.6K downloads a week
Solana Kit npm · Crypto and web3
Solana JavaScript SDK for building web3 applications on the Solana blockchain.
Used in 222 agent projects (1.7%) · 2.1M downloads a week
Solana Name Service npm · Crypto and web3
SDK for interacting with Solana Name Service (SNS) domain resolution.
Used in 21 agent projects (0.2%) · 36.5K downloads a week
Solana SPL Token npm · Crypto and web3
JavaScript API for interacting with Solana's SPL Token program.
Used in 924 agent projects (7.3%) · 1.2M downloads a week
Solana System Program SDK npm · Crypto and web3
JavaScript SDK for interacting with Solana's System program.
Used in 80 agent projects (0.6%) · 1.7M downloads a week
Solana Token Program SDK npm · Crypto and web3
JavaScript SDK for interacting with Solana's Token program.
Used in 76 agent projects (0.6%) · 1.7M downloads a week
Solana Wallet Adapter npm · Crypto and web3
React hooks and UI for connecting Solana wallets to dapps with state management.
Used in 547 agent projects (4.3%) · 1M downloads a week
Solana Web3.js npm · Crypto and web3
Official JavaScript SDK for interacting with the Solana blockchain.
Used in 2,099 agent projects (16.5%) · 2.6M downloads a week
solana-py pypi · Crypto and web3
Python SDK for interacting with Solana blockchain and building on-chain programs.
Used in 342 agent projects (2.7%) · 247K downloads a week
solc npm · Crypto and web3
JavaScript bindings for Solidity compiler to compile smart contracts.
Used in 40 agent projects (0.3%) · 753K downloads a week
solders pypi · Crypto and web3
Python bindings for Solana Rust tools enabling efficient blockchain interaction.
Used in 423 agent projects (3.3%) · 388K downloads a week
Solhint npm · Linting and formatting
Linter for Solidity smart contracts that catches bugs and enforces code style rules.
Used in 30 agent projects (0.2%) · 165K downloads a week
solidity-coverage npm · Testing
Code coverage tool for Solidity smart contracts to measure test completeness.
Used in 41 agent projects (0.3%) · 210K downloads a week
Sonner npm · UI components and icons
Opinionated toast notification component for React applications.
Used in 1,025 agent projects (8.1%) · 49.6M downloads a week
SoundFile pypi · Files, images and media
Read and write audio files in Python using libsndfile with NumPy integration.
Used in 21 agent projects (0.2%) · 6.1M downloads a week
soupsieve pypi · Scraping, browsers and parsing
CSS selector implementation for BeautifulSoup to query HTML and XML documents.
Used in 39 agent projects (0.3%) · 70.4M downloads a week
source-map-loader npm · Build tools and bundlers
Webpack loader that extracts inlined source maps for better debugging.
Used in 20 agent projects (0.2%) · 12.2M downloads a week
source-map-support npm · Dev workflow and config
Automatically fix stack traces for source-mapped files in Node.js.
Used in 37 agent projects (0.3%) · 138M downloads a week
spaCy pypi · ML and data science
Industrial-strength NLP library for text processing, tokenization and entity recognition.
Used in 28 agent projects (0.2%) · 4.9M downloads a week
Spline React npm · 3D and graphics
React component library for embedding interactive 3D Spline models.
Used in 32 agent projects (0.3%) · 166K downloads a week
SQL.js npm · Databases, ORMs and clients
SQLite database compiled to JavaScript, run SQL in browser without server.
Used in 21 agent projects (0.2%) · 3M downloads a week
SQLAlchemy pypi · Databases, ORMs and clients
Python SQL toolkit and object-relational mapper for database abstraction.
Used in 250 agent projects (2.0%) · 85.7M downloads a week
sqlite3 npm · Databases, ORMs and clients
Asynchronous, non-blocking SQLite3 database bindings for Node.js.
Used in 44 agent projects (0.3%) · 2.5M downloads a week
sqlparse pypi · Databases, ORMs and clients
Python library for parsing and formatting SQL queries.
Used in 23 agent projects (0.2%) · 26.2M downloads a week
sse-starlette pypi · HTTP servers and APIs
Server-sent events support for Starlette web framework.
Used in 43 agent projects (0.3%) · 61.5M downloads a week
Stack Data pypi · Logging, monitoring and analytics
Extract and format Python stack frame data for enhanced debugging displays.
Used in 21 agent projects (0.2%) · 21.3M downloads a week
Starlette pypi · HTTP servers and APIs
Lightweight ASGI web framework for building Python APIs and web applications.
Used in 104 agent projects (0.8%) · 134M downloads a week
start-server-and-test npm · Testing
Utility to start a server, wait for it, run tests, then shut down.
Used in 31 agent projects (0.2%) · 1.9M downloads a week
statsmodels pypi · ML and data science
Comprehensive statistical modeling and analysis library for Python.
Used in 24 agent projects (0.2%) · 8.3M downloads a week
Storybook npm · Dev workflow and config
Tool for developing, testing and documenting UI components in isolation.
Used in 144 agent projects (1.1%) · 24.6M downloads a week
Streamdown npm · Markdown, editors and content
Drop-in markdown renderer optimized for AI-powered streaming content.
Used in 35 agent projects (0.3%) · 7M downloads a week
Streamlit pypi · Web frameworks
Framework for rapidly building and sharing interactive data apps and dashboards in Python.
Used in 87 agent projects (0.7%) · 4.9M downloads a week
Stripe npm · SDKs for hosted services
Official SDK for integrating Stripe payments and billing into applications.
Used in 197 agent projects (1.6%) · 23.5M downloads a week
Stripe.js npm · SDKs for hosted services
Official Stripe SDK for integrating payments and connect functionality in web and mobile apps.
Used in 103 agent projects (0.8%) · 14M downloads a week
structlog pypi · Logging, monitoring and analytics
Structured logging library for Python with composable processors.
Used in 84 agent projects (0.7%) · 24.3M downloads a week
Stryker npm · Testing
Extendable mutation testing framework for JavaScript code quality.
Used in 24 agent projects (0.2%) · 3.4M downloads a week
style-loader npm · Build tools and bundlers
Webpack loader that injects CSS stylesheets into the DOM.
Used in 66 agent projects (0.5%) · 21.2M downloads a week
styled-components npm · Styling and CSS
CSS-in-JS library for styling React components with dynamic scoped styles.
Used in 154 agent projects (1.2%) · 10.8M downloads a week
stylelint npm · Linting and formatting
Linter that finds and fixes CSS errors and enforces code style conventions.
Used in 140 agent projects (1.1%) · 10.8M downloads a week
stylelint-config-standard npm · Linting and formatting
Standard shareable configuration for Stylelint CSS linting with best practices.
Used in 85 agent projects (0.7%) · 6.3M downloads a week
stylelint-config-standard-scss npm · Linting and formatting
Standard shareable Stylelint configuration for SCSS code style linting.
Used in 28 agent projects (0.2%) · 2.6M downloads a week
stylelint-order npm · Linting and formatting
Stylelint plugin that enforces consistent CSS property ordering for cleaner and more maintainable stylesheets.
Used in 22 agent projects (0.2%) · 2.3M downloads a week
stylelint-scss npm · Linting and formatting
Stylelint plugin providing SCSS-specific linting rules.
Used in 30 agent projects (0.2%) · 4.9M downloads a week
Sui TypeScript SDK npm · Crypto and web3
Official TypeScript SDK for building on the Sui blockchain.
Used in 25 agent projects (0.2%) · 447K downloads a week
sumtypes pypi · Languages, types and runtimes
Algebraic types for Python providing sum types and tagged unions.
Used in 20 agent projects (0.2%) · 34.2K downloads a week
supabase pypi · SDKs for hosted services
Python client for Supabase backend-as-a-service platform.
Used in 44 agent projects (0.3%) · 6.7M downloads a week
Supabase Auth Helpers for Next.js npm · SDKs for hosted services
Supabase authentication utilities for server-side rendering in Next.js.
Used in 68 agent projects (0.5%) · 251K downloads a week
Supabase CLI npm · SDKs for hosted services
Command-line tool for managing Supabase projects and databases locally.
Used in 131 agent projects (1.0%) · 5.6M downloads a week
Supabase JS npm · SDKs for hosted services
Isomorphic JavaScript SDK for Supabase backend-as-a-service.
Used in 927 agent projects (7.3%) · 30.5M downloads a week
Supabase SSR npm · SDKs for hosted services
Supabase client library optimized for server-side rendering frameworks.
Used in 332 agent projects (2.6%) · 8.1M downloads a week
superjson npm · Utilities
JSON serializer supporting Dates, BigInts, Sets, Maps for type-safe data transfer.
Used in 53 agent projects (0.4%) · 12M downloads a week
SuperTest npm · Testing
Library for testing HTTP servers with fluent API for assertions.
Used in 137 agent projects (1.1%) · 18.6M downloads a week
Svelte npm · Web frameworks
Compiler-based frontend framework for building reactive web interfaces with less boilerplate.
Used in 102 agent projects (0.8%) · 6.5M downloads a week
svelte-check npm · Linting and formatting
Type checker and linter for Svelte components from the official tooling.
Used in 85 agent projects (0.7%) · 2.9M downloads a week
SVGO npm · Files, images and media
Optimize SVG files and reduce file size through automatic transformations.
Used in 24 agent projects (0.2%) · 30.8M downloads a week
SVGR npm · Build tools and bundlers
Webpack loader to transform SVG files into React components.
Used in 67 agent projects (0.5%) · 9.4M downloads a week
Svix npm · SDKs for hosted services
Official SDK for Svix webhooks API with webhook verification and delivery.
Used in 29 agent projects (0.2%) · 7.5M downloads a week
Swagger UI Express npm · HTTP servers and APIs
Express middleware to serve interactive Swagger/OpenAPI API documentation.
Used in 35 agent projects (0.3%) · 4.4M downloads a week
SWC npm · Build tools and bundlers
Super-fast Rust-based JavaScript compiler and bundler alternative to Babel.
Used in 146 agent projects (1.1%) · 44.5M downloads a week
SWC CLI npm · Build tools and bundlers
Command-line tool for compiling and transpiling JavaScript with Rust-based SWC compiler.
Used in 47 agent projects (0.4%) · 6M downloads a week
SweetAlert2 npm · UI components and icons
Beautiful, accessible, customizable popup dialogs replacing default JavaScript alerts.
Used in 28 agent projects (0.2%) · 955K downloads a week
Swiper npm · UI components and icons
Mobile touch slider framework with hardware acceleration for carousel components.
Used in 113 agent projects (0.9%) · 4.2M downloads a week
SWR npm · State and data fetching
React hooks library for data fetching with caching, revalidation and real-time updates.
Used in 123 agent projects (1.0%) · 18.8M downloads a week
SymPy pypi · ML and data science
Computer algebra system in Python for symbolic mathematics and equation solving.
Used in 28 agent projects (0.2%) · 30.8M downloads a week
Syncpack npm · Dev workflow and config
Tool to manage consistent dependency versions across monorepos, preventing version conflicts and duplication.
Used in 23 agent projects (0.2%) · 2.8M downloads a week
T3 Env npm · Dev workflow and config
Type-safe environment variable validation for Next.js applications with compile-time safety.
Used in 52 agent projects (0.4%) · 3.2M downloads a week
Tabler Icons npm · UI components and icons
Free MIT-licensed SVG icon set with React, Vue and other framework wrappers.
Used in 169 agent projects (1.3%) · 3.6M downloads a week
tabulate pypi · Utilities
Pretty-print tabular data in various formats.
Used in 44 agent projects (0.3%) · 38.8M downloads a week
Tailwind CSS npm · Styling and CSS
Utility-first CSS framework for building custom user interfaces rapidly.
Used in 4,410 agent projects (34.7%) · 134M downloads a week
Tailwind CSS Animate npm · Animation and motion
Tailwind CSS plugin adding ready-to-use animation utilities.
Used in 945 agent projects (7.4%) · 20.4M downloads a week
Tailwind Merge npm · Styling and CSS
Merge Tailwind CSS classes intelligently without style conflicts.
Used in 2,136 agent projects (16.8%) · 85.8M downloads a week
tailwind-scrollbar npm · Styling and CSS
Tailwind CSS plugin for styling and customizing scrollbars.
Used in 36 agent projects (0.3%) · 950K downloads a week
tailwind-scrollbar-hide npm · Styling and CSS
Tailwind CSS plugin that adds utilities to hide scrollbars while maintaining scroll functionality.
Used in 22 agent projects (0.2%) · 645K downloads a week
tailwind-variants npm · Styling and CSS
Compose Tailwind CSS classes conditionally with a variant-first composition API.
Used in 53 agent projects (0.4%) · 4.3M downloads a week
TanStack Devtools npm · Dev workflow and config
Advanced devtools suite for inspecting and debugging React applications.
Used in 20 agent projects (0.2%)
TanStack Devtools Vite npm · Dev workflow and config
Vite plugin integrating TanStack devtools for enhanced debugging.
Used in 20 agent projects (0.2%) · 10.8M downloads a week
TanStack Form npm · Forms, validation and schemas
Type-safe form state management for React with validation and error handling.
Used in 21 agent projects (0.2%) · 3.7M downloads a week
TanStack Query npm · State and data fetching
Hooks for managing, caching and synchronizing remote data in React.
Used in 1,217 agent projects (9.6%) · 65.8M downloads a week
TanStack Query (React Query) npm · State and data fetching
Powerful data fetching and caching library for React applications.
Used in 32 agent projects (0.3%) · 1.7M downloads a week
TanStack Query DevTools npm · Dev workflow and config
Developer tools for inspecting and debugging TanStack Query cache states.
Used in 132 agent projects (1.0%) · 11.9M downloads a week
TanStack Query Next npm · State and data fetching
Hydration utilities for React Query in Next.js app directory.
Used in 24 agent projects (0.2%) · 137K downloads a week
TanStack Router npm · Web frameworks
Modern, type-safe routing library with file-based routing for React.
Used in 75 agent projects (0.6%) · 18.6M downloads a week
TanStack Router Devtools npm · Dev workflow and config
Browser devtools for debugging and visualizing TanStack Router state and navigation.
Used in 29 agent projects (0.2%) · 4M downloads a week
TanStack Router Plugin npm · Build tools and bundlers
Build plugin for TanStack Router providing type-safe routing in React applications.
Used in 58 agent projects (0.5%) · 15.5M downloads a week
TanStack Start npm · Web frameworks
Modern full-stack React framework with integrated routing and server functions.
Used in 43 agent projects (0.3%) · 11M downloads a week
TanStack Table npm · UI components and icons
Headless React table library for building powerful, flexible data tables and grids.
Used in 188 agent projects (1.5%) · 23M downloads a week
TanStack Virtual npm · UI components and icons
Headless virtualization library for rendering large scrollable lists efficiently.
Used in 67 agent projects (0.5%) · 27M downloads a week
Tauri npm · Desktop and mobile apps
Framework for building lightweight desktop applications with web technologies.
Used in 53 agent projects (0.4%) · 2.6M downloads a week
Telegraf npm · SDKs for hosted services
Modern Telegram Bot Framework for building bots with intuitive APIs.
Used in 28 agent projects (0.2%) · 284K downloads a week
Telethon pypi · SDKs for hosted services
Full-featured Telegram client library for Python enabling bot and account automation.
Used in 26 agent projects (0.2%) · 803K downloads a week
Tenacity pypi · Utilities
Retry library for Python that simplifies adding retry logic with exponential backoff.
Used in 124 agent projects (1.0%) · 87.4M downloads a week
termcolor pypi · Dev workflow and config
ANSI color formatting for colored terminal output in Python CLI applications.
Used in 28 agent projects (0.2%) · 16.8M downloads a week
Terser npm · Build tools and bundlers
JavaScript parser and ES6+ minifier/beautifier toolkit for production optimization.
Used in 70 agent projects (0.6%) · 66M downloads a week
Terser Webpack Plugin npm · Build tools and bundlers
Webpack plugin to minify JavaScript output using Terser for optimized production builds.
Used in 51 agent projects (0.4%) · 43.2M downloads a week
Tesseract.js npm · Files, images and media
Pure JavaScript OCR engine for recognizing text in images.
Used in 31 agent projects (0.2%) · 3.4M downloads a week
Testing Library npm · Testing
Testing utilities for React encouraging testing user behavior.
Used in 915 agent projects (7.2%) · 68.7M downloads a week
three-globe npm · 3D and graphics
ThreeJS 3D globe component for visualizing data on interactive globes.
Used in 60 agent projects (0.5%) · 332K downloads a week
three-stdlib npm · 3D and graphics
Stand-alone collection of Three.js examples and utilities.
Used in 78 agent projects (0.6%) · 4.3M downloads a week
Three.js npm · 3D and graphics
JavaScript 3D library for creating interactive 3D graphics in browsers.
Used in 2,329 agent projects (18.3%) · 20.1M downloads a week
tiktoken pypi · Prompts, structured output and evals
Fast BPE tokenizer for OpenAI models enabling accurate token counting and text splitting.
Used in 60 agent projects (0.5%) · 46.1M downloads a week
Tiptap npm · Markdown, editors and content
Headless Vue/React rich text editor framework with customizable extensions.
Used in 105 agent projects (0.8%) · 18.7M downloads a week
Token 2022 npm · Crypto and web3
JavaScript client library for Solana's Token 2022 program.
Used in 20 agent projects (0.2%) · 964K downloads a week
tokenizers pypi · Prompts, structured output and evals
Fast NLP tokenizer library by Hugging Face for text processing.
Used in 32 agent projects (0.3%) · 43.7M downloads a week
toml pypi · Utilities
Python library for parsing and writing TOML configuration files.
Used in 36 agent projects (0.3%) · 32M downloads a week
tomlkit pypi · Utilities
Style-preserving TOML library that maintains comments and formatting when editing.
Used in 20 agent projects (0.2%) · 115M downloads a week
toolz pypi · Utilities
Functional programming utilities for Python with list processing and composition.
Used in 41 agent projects (0.3%) · 15.6M downloads a week
torchvision pypi · ML and data science
Image and video datasets and pre-trained models for PyTorch deep learning.
Used in 44 agent projects (0.3%) · 3.7M downloads a week
Tornado pypi · HTTP servers and APIs
High-performance Python web framework and async networking library for building servers.
Used in 30 agent projects (0.2%) · 24.8M downloads a week
tqdm pypi · Utilities
Fast and extensible progress bar library for loops and iterables.
Used in 141 agent projects (1.1%) · 103M downloads a week
Transformers.js npm · Model SDKs
Run Hugging Face transformer models directly in browser without servers.
Used in 34 agent projects (0.3%) · 3.9M downloads a week
tree-sitter pypi · Linting and formatting
Python bindings for Tree-sitter parser library for syntax analysis and code transformation.
Used in 25 agent projects (0.2%) · 10.7M downloads a week
TronWeb npm · Crypto and web3
JavaScript SDK for TRON blockchain interaction providing HTTP API encapsulation.
Used in 28 agent projects (0.2%) · 456K downloads a week
tRPC npm · HTTP servers and APIs
Build end-to-end typesafe APIs with TypeScript without code generation.
Used in 60 agent projects (0.5%) · 5.5M downloads a week
ts-loader npm · Build tools and bundlers
Webpack loader that transpiles TypeScript files with ts-compiler.
Used in 128 agent projects (1.0%) · 12.5M downloads a week
ts-mocha npm · Testing
Mocha wrapper for running TypeScript tests directly with ts-node without compilation.
Used in 191 agent projects (1.5%) · 573K downloads a week
ts-morph npm · Languages, types and runtimes
TypeScript compiler wrapper for static analysis and programmatic code manipulation.
Used in 25 agent projects (0.2%) · 30.5M downloads a week
ts-node npm · Languages, types and runtimes
TypeScript execution environment for Node.js with source map support.
Used in 865 agent projects (6.8%) · 45.6M downloads a week
ts-node-dev npm · Dev workflow and config
TypeScript development server with auto-restart on file changes.
Used in 33 agent projects (0.3%) · 2.6M downloads a week
tsconfig-paths npm · Languages, types and runtimes
Module resolution utility that loads Node.js modules according to TypeScript path mappings.
Used in 86 agent projects (0.7%) · 113M downloads a week
tsdown npm · Build tools and bundlers
Elegant bundler for TypeScript libraries with minimal configuration.
Used in 36 agent projects (0.3%) · 4.2M downloads a week
tsParticles npm · Animation and motion
Create beautiful, interactive particle animations and effects for web pages.
Used in 62 agent projects (0.5%) · 275K downloads a week
tsParticles React npm · Animation and motion
React component for creating customizable particle, confetti and fireworks animations.
Used in 21 agent projects (0.2%) · 35K downloads a week
tsup npm · Build tools and bundlers
Zero-config TypeScript library bundler powered by esbuild.
Used in 126 agent projects (1.0%) · 9.2M downloads a week
tsx npm · Languages, types and runtimes
Node.js enhanced with esbuild to run TypeScript and ESM files.
Used in 1,262 agent projects (9.9%) · 96.8M downloads a week
Turborepo npm · Build tools and bundlers
High-performance build system for monorepos with task parallelization.
Used in 399 agent projects (3.1%) · 29.5M downloads a week
Turndown npm · Markdown, editors and content
Convert HTML to Markdown format for document processing and content migration.
Used in 25 agent projects (0.2%) · 7.9M downloads a week
tw-animate-css npm · Animation and motion
Tailwind CSS v4.0 compatible animation plugin replacement.
Used in 851 agent projects (6.7%) · 39.6M downloads a week
Tweepy pypi · SDKs for hosted services
Python library for accessing the X (Twitter) API, simplifying authentication and API interactions.
Used in 22 agent projects (0.2%) · 698K downloads a week
TweetNaCl.js npm · Crypto and web3
JavaScript implementation of NaCl cryptography for Solana wallet signing.
Used in 196 agent projects (1.5%) · 36.8M downloads a week
Twilio Node SDK npm · SDKs for hosted services
Official SDK for building SMS, voice, video and messaging applications with Twilio.
Used in 37 agent projects (0.3%) · 6.4M downloads a week
Twitter API v2 npm · SDKs for hosted services
Strongly-typed Node.js client for Twitter API v1.1 and v2.
Used in 21 agent projects (0.2%) · 406K downloads a week
type-fest npm · Languages, types and runtimes
Collection of essential TypeScript utility types for common patterns.
Used in 36 agent projects (0.3%) · 387M downloads a week
TypeChain npm · Crypto and web3
Generate TypeScript type bindings from Ethereum smart contract ABIs automatically.
Used in 40 agent projects (0.3%) · 386K downloads a week
TypeChain ethers-v6 npm · Crypto and web3
Generate TypeScript types for Ethereum smart contracts via ethers.js.
Used in 33 agent projects (0.3%) · 175K downloads a week
TypeDoc npm · Dev workflow and config
API documentation generator that converts TypeScript comments into formatted HTML docs.
Used in 89 agent projects (0.7%) · 5.1M downloads a week
TypeORM npm · Databases, ORMs and clients
Data-mapper ORM for TypeScript supporting multiple SQL and NoSQL databases.
Used in 27 agent projects (0.2%) · 5.2M downloads a week
Typer pypi · Dev workflow and config
Framework for building CLI applications using Python type hints.
Used in 131 agent projects (1.0%) · 64.6M downloads a week
TypeScript npm · Languages, types and runtimes
Language for application-scale JavaScript development with static type checking.
Used in 7,092 agent projects (55.9%) · 305M downloads a week
TypeScript Reset npm · Languages, types and runtimes
Improves TypeScript's built-in type definitions for common JavaScript APIs with better defaults.
Used in 20 agent projects (0.2%) · 1.2M downloads a week
ua-parser-js npm · Utilities
Parse user-agent strings to detect browser, engine, OS, CPU and device type.
Used in 25 agent projects (0.2%) · 32.6M downloads a week
UIW CodeMirror npm · Markdown, editors and content
CodeMirror 6 component for React enabling code editing with syntax highlighting.
Used in 47 agent projects (0.4%) · 4.8M downloads a week
Ultracite npm · Prompts, structured output and evals
AI-ready code formatter that helps write and generate code faster.
Used in 69 agent projects (0.5%) · 1.2M downloads a week
undici npm · HTTP clients and networking
High-performance HTTP/1.1 client for Node.js and Deno.
Used in 78 agent projects (0.6%) · 212M downloads a week
unified npm · Markdown, editors and content
Interface for parsing, inspecting, transforming and serializing content through syntax trees.
Used in 39 agent projects (0.3%) · 60.8M downloads a week
unist-util-visit npm · Markdown, editors and content
Unist utility to recursively visit and transform nodes in syntax trees.
Used in 39 agent projects (0.3%) · 70.4M downloads a week
Uniswap SDK Core npm · Crypto and web3
Core SDK for building applications on Uniswap V3 protocol.
Used in 21 agent projects (0.2%) · 163K downloads a week
unplugin-auto-import npm · Build tools and bundlers
Auto-import global modules and APIs for Vite and Webpack.
Used in 25 agent projects (0.2%) · 1.3M downloads a week
unplugin-vue-components npm · Build tools and bundlers
Auto-importing Vue components during build, reducing manual import statements.
Used in 28 agent projects (0.2%) · 1.7M downloads a week
Upstash Redis npm · HTTP clients and networking
HTTP REST client for Upstash Redis with edge-first design and rate limiting.
Used in 138 agent projects (1.1%) · 5.5M downloads a week
uritemplate pypi · Utilities
Implementation of RFC 6570 for parsing and expanding URI templates.
Used in 20 agent projects (0.2%) · 31.2M downloads a week
url-loader npm · Build tools and bundlers
Webpack loader to inline small files as base64 data URIs.
Used in 26 agent projects (0.2%) · 5.8M downloads a week
urllib3 pypi · HTTP clients and networking
HTTP client with thread-safe connection pooling, file uploads and advanced features.
Used in 193 agent projects (1.5%) · 338M downloads a week
use-debounce npm · Utilities
React hook for debouncing values and callbacks to optimize performance.
Used in 41 agent projects (0.3%) · 6M downloads a week
usehooks-ts npm · Utilities
Collection of TypeScript React hooks ready to use in modern applications.
Used in 60 agent projects (0.5%) · 6M downloads a week
uuid npm · Utilities
Generate RFC9562 compliant UUIDs for unique identifiers in applications.
Used in 454 agent projects (3.6%) · 296M downloads a week
Uvicorn pypi · HTTP servers and APIs
Lightning-fast ASGI server for running async Python web applications.
Used in 544 agent projects (4.3%) · 13M downloads a week
uvloop pypi · HTTP servers and APIs
Fast asyncio event loop implementation for Python based on libuv.
Used in 29 agent projects (0.2%) · 62.1M downloads a week
Valibot npm · Forms, validation and schemas
Modular and type-safe schema validation library for structural data with minimal bundle size.
Used in 37 agent projects (0.3%) · 21.8M downloads a week
Valtio npm · State and data fetching
Lightweight proxy-based state management for React and vanilla JS, making reactive state simple and performant.
Used in 23 agent projects (0.2%) · 2.1M downloads a week
Vaul npm · UI components and icons
Unstyled, accessible drawer component for React with smooth animations.
Used in 582 agent projects (4.6%) · 35M downloads a week
Vercel Analytics npm · Logging, monitoring and analytics
Real-time web analytics SDK for tracking traffic and user behavior.
Used in 422 agent projects (3.3%) · 8.3M downloads a week
Vercel Blob npm · SDKs for hosted services
Vercel client library for storing and retrieving files in serverless environments.
Used in 62 agent projects (0.5%) · 8.3M downloads a week
Vercel CLI npm · Dev workflow and config
Command-line interface for deploying and managing Vercel projects.
Used in 78 agent projects (0.6%) · 4.6M downloads a week
Vercel KV npm · Databases, ORMs and clients
Durable Redis-compatible database from Vercel, ideal for serverless functions and edge computing.
Used in 22 agent projects (0.2%) · 402K downloads a week
Vercel Node.js Runtime npm · HTTP servers and APIs
Vercel's official Node.js runtime for serverless function deployment.
Used in 34 agent projects (0.3%) · 5.3M downloads a week
Vercel Postgres npm · SDKs for hosted services
Edge-compatible client library for connecting to Vercel Postgres databases.
Used in 24 agent projects (0.2%) · 380K downloads a week
Vercel Speed Insights npm · Logging, monitoring and analytics
Measure web performance metrics and get recommendations for improvement.
Used in 167 agent projects (1.3%) · 5.6M downloads a week
Verdaccio npm · Dev workflow and config
Lightweight private npm proxy registry for enterprise package management.
Used in 21 agent projects (0.2%) · 666K downloads a week
viem npm · Crypto and web3
TypeScript interface for Ethereum with type-safe interactions.
Used in 1,566 agent projects (12.3%) · 6.5M downloads a week
Vite npm · Build tools and bundlers
Fast native-ESM powered web development build tool and dev server.
Used in 2,897 agent projects (22.8%) · 194M downloads a week
Vite Node Polyfills Plugin npm · Build tools and bundlers
Vite plugin polyfilling Node.js core modules for browser environments.
Used in 109 agent projects (0.9%) · 1.6M downloads a week
vite-plugin-checker npm · Build tools and bundlers
Vite plugin running TypeScript type checking on a separate process during dev.
Used in 20 agent projects (0.2%) · 3.8M downloads a week
vite-plugin-dts npm · Build tools and bundlers
Vite plugin to generate TypeScript declaration files during build.
Used in 39 agent projects (0.3%) · 3.9M downloads a week
vite-plugin-glsl npm · 3D and graphics
Import and inline GLSL/WGSL/Slang shader files with minification in Vite projects.
Used in 38 agent projects (0.3%) · 138K downloads a week
vite-plugin-pwa npm · Build tools and bundlers
Zero-config PWA plugin for Vite enabling offline support and app installation.
Used in 95 agent projects (0.7%) · 4.2M downloads a week
vite-plugin-svgr npm · Build tools and bundlers
Vite plugin to import SVGs as React components.
Used in 43 agent projects (0.3%) · 5.6M downloads a week
vite-plugin-vue-devtools npm · Dev workflow and config
Vite plugin integrating Vue DevTools for debugging Vue applications.
Used in 20 agent projects (0.2%) · 1.2M downloads a week
vite-tsconfig-paths npm · Build tools and bundlers
Vite plugin that resolves TypeScript path aliases from tsconfig.json automatically.
Used in 184 agent projects (1.4%) · 26.7M downloads a week
VitePress npm · Web frameworks
Static site generator combining Vite and Vue for fast documentation sites.
Used in 21 agent projects (0.2%) · 1.3M downloads a week
Vitest npm · Testing
Next-generation testing framework powered by Vite with native ESM.
Used in 1,549 agent projects (12.2%) · 123M downloads a week
Vue npm · Web frameworks
Progressive JavaScript framework for building interactive user interfaces.
Used in 210 agent projects (1.7%) · 17.1M downloads a week
Vue I18n npm · Web frameworks
Internationalization plugin for Vue.js to manage multi-language content.
Used in 26 agent projects (0.2%) · 3.7M downloads a week
Vue Sonner npm · UI components and icons
Toast notification component library for Vue 3 with smooth animations.
Used in 21 agent projects (0.2%) · 2M downloads a week
vue-eslint-parser npm · Linting and formatting
ESLint custom parser for .vue files enabling linting of Vue components.
Used in 20 agent projects (0.2%) · 8.2M downloads a week
vue-tsc npm · Languages, types and runtimes
TypeScript type checker for Vue.js single-file components.
Used in 111 agent projects (0.9%) · 6.5M downloads a week
VueUse npm · Utilities
Collection of essential Vue Composition API utilities and hooks.
Used in 76 agent projects (0.6%) · 12.6M downloads a week
wagmi npm · Crypto and web3
React hooks library for Ethereum interactions and wallet connections.
Used in 650 agent projects (5.1%) · 1M downloads a week
wait-on npm · Dev workflow and config
Wait for files, ports, sockets and HTTP resources before running subsequent commands.
Used in 47 agent projects (0.4%) · 10.5M downloads a week
Wallet Standard npm · Crypto and web3
Helper functions for apps to support wallets implementing the Wallet Standard.
Used in 20 agent projects (0.2%) · 1.9M downloads a week
watchdog pypi · Dev workflow and config
Python library for monitoring filesystem events and triggering callbacks.
Used in 40 agent projects (0.3%) · 21.6M downloads a week
watchfiles pypi · Dev workflow and config
High-performance file watching and code reload utility for Python development.
Used in 35 agent projects (0.3%) · 78.4M downloads a week
wcwidth pypi · Utilities
Calculate display width of Unicode strings for terminal formatting.
Used in 39 agent projects (0.3%) · 60.4M downloads a week
Web Vitals npm · Logging, monitoring and analytics
Measure Core Web Vitals and other key performance metrics in JavaScript.
Used in 222 agent projects (1.7%) · 48.7M downloads a week
web-push npm · SDKs for hosted services
Send web push notifications from Node.js servers to subscribed browser clients.
Used in 51 agent projects (0.4%) · 11.1M downloads a week
web3.js npm · Crypto and web3
Ethereum JavaScript library for interacting with blockchain networks and smart contracts.
Used in 100 agent projects (0.8%) · 569K downloads a week
web3.py pypi · Crypto and web3
Python library for interacting with Ethereum and building Web3 applications.
Used in 90 agent projects (0.7%) · 1.2M downloads a week
Web3Modal npm · Crypto and web3
Connect Ethereum wallets and manage Web3 authentication in your dApp.
Used in 25 agent projects (0.2%) · 5,027 downloads a week
Web3Modal React npm · Crypto and web3
React component for connecting wallets to Web3 dApps with multiple providers.
Used in 21 agent projects (0.2%) · 1,561 downloads a week
Web3Modal Wagmi npm · Crypto and web3
Web3 wallet connection modal for wagmi-based dApps with multi-chain support.
Used in 47 agent projects (0.4%) · 12.3K downloads a week
WebFont Loader npm · Styling and CSS
Enhanced control over loading linked @font-face fonts with event handling.
Used in 28 agent projects (0.2%) · 1.1M downloads a week
webpack npm · Build tools and bundlers
Module bundler that packages JavaScript, assets and dependencies for browser deployment.
Used in 255 agent projects (2.0%) · 54.9M downloads a week
webpack CLI npm · Build tools and bundlers
Command-line interface for webpack bundler and related build tools.
Used in 201 agent projects (1.6%) · 10.4M downloads a week
webpack-bundle-analyzer npm · Build tools and bundlers
Visualizes webpack bundle contents as interactive treemap to identify bloat.
Used in 24 agent projects (0.2%) · 12.2M downloads a week
webpack-dev-server npm · Build tools and bundlers
Development server for Webpack with live reload and HMR support.
Used in 147 agent projects (1.2%) · 16.2M downloads a week
webpack-merge npm · Build tools and bundlers
Utility to intelligently merge webpack configuration objects for reusable config patterns.
Used in 50 agent projects (0.4%) · 20.1M downloads a week
websocket-client pypi · HTTP clients and networking
WebSocket client library for Python with low-level API options.
Used in 36 agent projects (0.3%) · 40M downloads a week
websockets pypi · HTTP clients and networking
WebSocket implementation for Python with RFC 6455 and 7692 compliance.
Used in 286 agent projects (2.3%) · 109M downloads a week
Werkzeug pypi · HTTP servers and APIs
Comprehensive WSGI web application library with utilities for building Python web apps.
Used in 73 agent projects (0.6%) · 55.3M downloads a week
Winston npm · Logging, monitoring and analytics
Versatile Node.js logging library supporting multiple transports and levels.
Used in 105 agent projects (0.8%) · 27.2M downloads a week
Workbox Webpack Plugin npm · Build tools and bundlers
Webpack plugin for generating service worker manifests for offline support.
Used in 21 agent projects (0.2%) · 3.4M downloads a week
Workbox Window npm · Dev workflow and config
Library simplifying communication between service workers and client code.
Used in 29 agent projects (0.2%) · 7.4M downloads a week
wouter npm · Web frameworks
Minimalist ~1.5KB client-side router for React applications with hooks API.
Used in 57 agent projects (0.4%) · 2M downloads a week
Wrangler npm · Dev workflow and config
CLI for developing, testing and deploying Cloudflare Workers serverless functions.
Used in 214 agent projects (1.7%) · 26.1M downloads a week
wrapt pypi · Utilities
Python utilities for decorators, wrappers and monkey patching.
Used in 32 agent projects (0.3%) · 97.9M downloads a week
ws npm · HTTP clients and networking
Simple, fast WebSocket client and server for Node.js with full RFC support.
Used in 287 agent projects (2.3%) · 283M downloads a week
XGBoost pypi · ML and data science
Gradient boosting library for fast, accurate machine learning on structured data.
Used in 30 agent projects (0.2%) · 7.1M downloads a week
xterm.js npm · Utilities
Full-featured terminal emulator for browsers and Node.js.
Used in 32 agent projects (0.3%) · 5.5M downloads a week
xterm.js Web Links Addon npm · UI components and icons
xterm.js addon for making URLs clickable in terminal emulator.
Used in 21 agent projects (0.2%) · 2.1M downloads a week
XY Flow npm · Charts and data visualisation
Customizable React library for building interactive node-based editors and flow charts.
Used in 62 agent projects (0.5%) · 13.4M downloads a week
yaml npm · Utilities
JavaScript YAML parser and stringifier with full spec compliance.
Used in 164 agent projects (1.3%) · 179M downloads a week
yargs npm · Dev workflow and config
Command-line argument parsing for Node.js with automatic help and usage generation.
Used in 53 agent projects (0.4%) · 269M downloads a week
yarl pypi · Utilities
URL parsing and manipulation library for Python.
Used in 83 agent projects (0.7%) · 116M downloads a week
Yarn npm · Dev workflow and config
Fast, reliable, and secure Node.js package manager and dependency resolver.
Used in 20 agent projects (0.2%) · 9M downloads a week
yfinance pypi · ML and data science
Download historical market data from Yahoo! Finance API for analysis.
Used in 36 agent projects (0.3%) · 4M downloads a week
Yup npm · Forms, validation and schemas
Simple schema validation library for JavaScript with chainable API and error handling.
Used in 48 agent projects (0.4%) · 12.2M downloads a week
Zod npm · Forms, validation and schemas
TypeScript-first schema validation library with static type inference.
Used in 2,153 agent projects (17.0%) · 326M downloads a week
zod-to-json-schema npm · Forms, validation and schemas
Convert Zod validation schemas to JSON Schema format.
Used in 43 agent projects (0.3%) · 69.9M downloads a week
zod-validation-error npm · Forms, validation and schemas
Format Zod validation errors into user-friendly readable messages.
Used in 44 agent projects (0.3%) · 54.3M downloads a week
zone.js npm · Utilities
Execution context management for Angular and asynchronous operations.
Used in 44 agent projects (0.3%) · 6.2M downloads a week
zstandard pypi · Utilities
Python bindings for Zstandard compression algorithm for efficient data compression.
Used in 28 agent projects (0.2%) · 39.4M downloads a week
Zustand npm · State and data fetching
Lightweight state management for React with minimal boilerplate.
Used in 752 agent projects (5.9%) · 60.8M downloads a week

The typical stack of an AI-built project

The most used tool in each category across 12,697 projects.

Web frameworksReactin 43.4% of projects UI components and iconsLucide Reactin 19.8% of projects Styling and CSSTailwind CSSin 34.7% of projects Animation and motionFramer Motionin 13.4% of projects 3D and graphicsReact Three Fiberin 18.6% of projects Charts and data visualisationRechartsin 8.2% of projects Forms, validation and schemasZodin 17.0% of projects State and data fetchingTanStack Queryin 9.6% of projects Markdown, editors and contentreact-markdownin 2.8% of projects Desktop and mobile appsReact Nativein 1.6% of projects Utilitiesclsxin 17.7% of projects Model SDKsOpenAIin 2.9% of projects Agent, MCP and tool librariesModel Context Protocol SDK (JavaScript)in 4.7% of projects Prompts, structured output and evalsUltracitein 0.5% of projects ML and data scienceNumPyin 3.8% of projects Databases, ORMs and clientsPrismain 3.0% of projects SDKs for hosted servicesSupabase JSin 7.3% of projects Auth and security librariesNextAuth.jsin 2.1% of projects Jobs, queues and workflowsnode-cronin 0.6% of projects Files, images and mediaSharpin 3.1% of projects Scraping, browsers and parsingBeautiful Soupin 1.3% of projects HTTP servers and APIsExpressin 6.5% of projects HTTP clients and networkingAxiosin 10.0% of projects TestingVitestin 12.2% of projects Linting and formattingESLintin 38.1% of projects Languages, types and runtimesTypeScriptin 55.9% of projects Build tools and bundlersVitein 22.8% of projects Dev workflow and configdotenvin 15.8% of projects Logging, monitoring and analyticsVercel Analyticsin 3.3% of projects Crypto and web3Solana Web3.jsin 16.5% of projects Game developmentPhaserin 4.1% of projects

Build the app

Web frameworks 26 tools · React, Next.js, next-themes, React Router… UI components and icons 75 tools · Lucide React, Class Variance Authority, Radix UI, Sonner… Styling and CSS 15 tools · Tailwind CSS, Tailwind Merge, Emotion, Sass… Animation and motion 28 tools · Framer Motion, Tailwind CSS Animate, tw-animate-css, Embla Carousel… 3D and graphics 19 tools · React Three Fiber, Three.js, maath, Leaflet… Charts and data visualisation 16 tools · Recharts, Matplotlib, Chart.js, React Chart.js 2… Forms, validation and schemas 22 tools · Zod, React Hook Form, React Hook Form Resolvers, Pydantic… State and data fetching 20 tools · TanStack Query, Zustand, RxJS, React Redux… Markdown, editors and content 46 tools · react-markdown, remark-gfm, Jinja2, Marked… Desktop and mobile apps 26 tools · React Native, Expo, react-native-safe-area-context, react-native-screens… Utilities 109 tools · clsx, date-fns, uuid, PyYAML…

AI and agents

Model SDKs 15 tools · OpenAI, AI SDK, Google Generative AI, OpenAI Python Library… Agent, MCP and tool libraries 9 tools · Model Context Protocol SDK (JavaScript), Model Context Protocol SDK (Python), FastMCP (Python), LangChain (Python)… Prompts, structured output and evals 4 tools · Ultracite, tiktoken, tokenizers, LangSmith ML and data science 28 tools · NumPy, pandas, scikit-learn, SciPy…

Data and backend

Databases, ORMs and clients 30 tools · Prisma, pg, Drizzle ORM, Drizzle Kit… SDKs for hosted services 44 tools · Supabase JS, Supabase SSR, Resend, Firebase… Auth and security libraries 47 tools · NextAuth.js, bcryptjs, jsonwebtoken, cryptography… Jobs, queues and workflows 7 tools · node-cron, APScheduler, Celery, BullMQ… Files, images and media 52 tools · Sharp, Pillow, Nodemailer, jsPDF… Scraping, browsers and parsing 16 tools · Beautiful Soup, Puppeteer, lxml, Cheerio…

Test and code quality

Testing 40 tools · Vitest, Playwright (JavaScript), Testing Library, Jest… Linting and formatting 40 tools · ESLint, Prettier, Biome, oxlint… Languages, types and runtimes 18 tools · TypeScript, tsx, ts-node, vue-tsc…

Build, ship and run

HTTP servers and APIs 30 tools · Express, Uvicorn, FastAPI, cors… HTTP clients and networking 29 tools · Axios, Requests, aiohttp, ws… Build tools and bundlers 81 tools · Vite, Babel (JavaScript), Turborepo, esbuild… Dev workflow and config 88 tools · dotenv, python-dotenv, Husky, lint-staged… Logging, monitoring and analytics 29 tools · Vercel Analytics, pino-pretty, Web Vitals, Vercel Speed Insights…

Domain toolkits

Crypto and web3 89 tools · Solana Web3.js, viem, Solana SPL Token, wagmi… Game development 3 tools · Phaser, phaser3-rex-plugins, Matter.js

How we count: a project "uses" a tool when it is listed in the repo's package.json, requirements.txt or pyproject.toml. Repos come from our weekly scan of public GitHub projects that configure AI coding agents (real-world stacks). Forks are excluded. Hosted services with pricing are in APIs.