head to head · open source
xxl-job vs Tracely-ai
xxl-job has 30,562 GitHub stars, 11,486 forks, 79 open issues and last shipped 2 months ago. Tracely-ai has 1,406 stars, 172 forks, 21 open issues and last shipped 2 days ago. xxl-job leads on adoption by 2,074% (30,562 vs 1,406 stars). xxl-job is written in Java under GPL-3.0; Tracely-ai is written in Python under MIT. xxl-job has attracted 38% as many forks as stars, Tracely-ai 12%. Tracely-ai was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| xxl-job | Tracely-ai | |
|---|---|---|
| GitHub stars | ★ 31K | ★ 1.4K |
| License | GPL-3.0 | MIT |
| Written in | Java | Python |
| Last push | 2026-07-21 | 2026-09-16 |
| Forks | ⑂ 11K | ⑂ 172 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick xxl-job if
- You weight community size — 31K stars and counting
- You want the GPL-3.0 license terms
- Your stack matches Java
- You value the larger contributor base for long-term maintenance
pick Tracely-ai if
- You want the Tracely-ai feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and Tracely-ai fits your workflow better
About xxl-job
XXL JOB is a distributed task scheduling framework written in Java and released under the GPL 3.0 licence, built for teams that need scheduled jobs to run reliably across a cluster of machines rather than inside a single application process.
read the full xxl-job overview →
About Tracely-ai
Tracely is a Python, MIT licensed project for AI agent operations and continuous integration. It lives in the AI agent, LLM observability, CI/CD, and evaluation ecosystem. The project treats production traces as the source of regression tests: when an agent run fails, Tracely can detect the failure, cluster related failures, freeze the bad run into a hermetic replayable case, and block a pull request that would reintroduce the same problem.
read the full Tracely-ai overview →
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Frequently asked questions
Is xxl-job or Tracely-ai more popular?
xxl-job has 30,562 GitHub stars and Tracely-ai has 1,406. xxl-job has the larger community by that measure.
Are xxl-job and Tracely-ai free?
Both are open source. xxl-job is licensed under GPL-3.0 and Tracely-ai under MIT. Neither carries a licence fee.
What is the difference between xxl-job and Tracely-ai?
xxl-job is written in Java and Tracely-ai in Python. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, xxl-job or Tracely-ai?
Choose xxl-job if you want the larger community (30,562 stars) or its GPL-3.0 licence terms. Choose Tracely-ai if its feature set, stack or MIT licence fits better. Both are self-hostable.