eventemitter3
High-performance event emitter compatible with Node.js and browsers.
Utilities npm MIT
Used in agent projects
29
0.2% of 12,697 public repos built with AI coding agents
Rank in utilities
#75 of 109
by use in those projects
Downloads
155M
npm, last 7 days, eventemitter3
GitHub stars
3,537
last push Jan 19, 2026
How eventemitter3 is used
eventemitter3 is a dependency in 29 of the 12,697 public GitHub projects set up for AI coding agents that we scanned (0.2%), #75 of 109 in utilities. The most used alternative there is clsx. Projects that use it most often also use Solana Web3.js (51.7%), Axios (37.9%), TypeScript (89.7%).
Often used with eventemitter3
| Solana Web3.js | 51.7% of eventemitter3 projects · 3.1× more than average |
|---|---|
| Axios | 37.9% of eventemitter3 projects · 3.8× more than average |
| TypeScript | 89.7% of eventemitter3 projects · 1.6× more than average |
| ts-node | 34.5% of eventemitter3 projects · 5.1× more than average |
| bn.js | 31.0% of eventemitter3 projects · 18.2× more than average |
| Prettier | 44.8% of eventemitter3 projects · 2.6× more than average |
| React | 69.0% of eventemitter3 projects · 1.6× more than average |
| bignumber.js | 27.6% of eventemitter3 projects · 34.7× more than average |
By coding agent
| Claude Code | 0.2% of projects set up for it |
|---|
Share of public repos configured for each agent that list eventemitter3 as a dependency.
Install
| Package | npm install eventemitter3 |
|---|---|
| Main stacks | TypeScript / JavaScript (21), Next.js (4), React Native / Expo (3), Python (1) |
| Example projects | hzrd149/nostrudel, project-serum/sol-wallet-adapter, ruvnet/marketing, zeta-chain/toolkit, jsoneaday/solana-chat-app |
Alternatives to eventemitter3
| Tool | Used in agent projects | Downloads / wk | GitHub stars | License |
|---|---|---|---|---|
| clsx npm Tiny utility for conditionally constructing className strings. |
2,251 (17.7%) | 126M | 9,847 | MIT |
| date-fns npm Modern JavaScript date utility library with comprehensive formatting functions. |
1,079 (8.5%) | 97.6M | 36.6K | MIT |
| uuid npm Generate RFC9562 compliant UUIDs for unique identifiers in applications. |
454 (3.6%) | 296M | 15.3K | MIT |
| PyYAML pypi YAML parser and emitter for reading and writing YAML configuration files. |
385 (3.0%) | 239M | 2,954 | MIT |
| Lodash npm Modular utility library with methods for common programming tasks and data manipulation. |
269 (2.1%) | 162M | 61.4K | MIT |
| bn.js npm Big number library for handling arbitrary-precision integers in JavaScript. |
217 (1.7%) | 62.1M | 1,230 | MIT |
| python-dateutil pypi Extensions to Python's datetime module for advanced date and time manipulation. |
165 (1.3%) | 233M | 2,638 | Dual License |
| yaml npm JavaScript YAML parser and stringifier with full spec compliance. |
164 (1.3%) | 179M | 1,693 | ISC |