Croner
JavaScript cron expression parser and task scheduler with no dependencies, for all environments.
Jobs, queues and workflows npm MIT
How Croner is used
Croner is a dependency in 43 of the 6,208 public GitHub projects set up for AI coding agents that we scanned (0.9% of the 4,818 JavaScript/TypeScript ones), #2 of 37 in jobs, queues and workflows. The most used alternative in our scan is node-cron (37 projects). Projects that use it most often also use tsx (86.0%), yaml (86.0%), dotenv (83.7%). It is more common in projects set up for OpenClaw (11.7%) than for Cursor (0.2%).
Croner popularity over time
Gid Score 56: downloads 80, use in agent projects 46, GitHub stars 28, downloads trend 59 (each 0-100). How it is calculated.
Often used with Croner
| tsx | 86.0% of Croner projects · 5.7× more than average |
|---|---|
| yaml | 86.0% of Croner projects · 27.7× more than average |
| dotenv | 83.7% of Croner projects · 5.4× more than average |
| ws | 83.7% of Croner projects · 26.7× more than average |
| Clack Prompts | 81.4% of Croner projects · 81.5× more than average |
| chalk | 81.4% of Croner projects · 28.2× more than average |
| Commander | 81.4% of Croner projects · 29.4× more than average |
| JSON5 (JavaScript) | 81.4% of Croner projects · 97.2× more than average |
By coding agent
| Claude Code | 1.2% of projects set up for it |
|---|---|
| OpenClaw | 11.7% of projects set up for it |
| GitHub Copilot | 0.6% of projects set up for it |
| Gemini CLI | 3.4% of projects set up for it |
| Cursor | 0.2% of projects set up for it |
Share of public repos configured for each agent that list Croner as a dependency.
How Croner is funded
GitHub Sponsors
| @Hexagon | 1 current sponsor |
|---|
GitHub shows how many people and companies sponsor an account, not how much they pay. Sponsors of a person back all of their work.
Ways to fund Croner
GitHub Sponsors Own page PayPal
As the maintainers list them in FUNDING.yml on GitHub and in the npm package. Checked Oct 20, 2026.
Install
| Package | npm install croner |
|---|---|
| Main stacks | TypeScript / JavaScript (34), Python (9) |
| Example projects | Bitterbot-AI/bitterbot-desktop, ArgentAIOS/argentos-core, raucvr/Group-Goki, yzstory/pomeloclaw, geongeorge/nakedclaw |
Alternatives to Croner
Tools that do the same job, so a project picks one or the other. Add-ons and libraries used alongside Croner are not listed here; they are in "Often used with".
| Tool | Gid Score | Used in agent projects | Downloads / wk | GitHub stars | License |
|---|---|---|---|---|---|
| node-cron npm Job scheduling for Node.js with overlap prevention and distributed coordination. |
56 | 37 (0.8%) | 3M | 3,282 | ISC |
| BullMQ npm Fast, reliable Redis-backed queue for jobs and messages in Node.js. |
62 | 34 (0.7%) | 5.8M | 9,522 | MIT |
| Inngest npm Durable execution, events and queues platform for reliable workflows and background jobs. |
54 | 17 (0.4%) | 1.4M | 1,016 | Apache-2.0 |
| cron npm · new in the catalog Runs cron jobs in Node.js. |
55 | 6 (0.1%) | 3.9M | 8,952 | MIT |
More in Jobs, queues and workflows: APScheduler Celery croniter schedule p-queue Workflow DevKit Kombu amqplib