head to head · open source
xxl-job vs atmos
xxl-job has 30,561 GitHub stars, 11,486 forks, 79 open issues and last shipped 2 months ago. atmos has 1,379 stars, 175 forks, 289 open issues and last shipped today. xxl-job leads on adoption by 2,116% (30,561 vs 1,379 stars). xxl-job is written in Java under GPL-3.0; atmos is written in Go under Apache-2.0. xxl-job has attracted 38% as many forks as stars, atmos 13%. atmos 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 | atmos | |
|---|---|---|
| GitHub stars | ★ 31K | ★ 1.4K |
| License | GPL-3.0 | Apache-2.0 |
| Written in | Java | Go |
| Last push | 2026-07-21 | 2026-09-18 |
| Forks | ⑂ 11K | ⑂ 175 |
| 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 atmos if
- You want the atmos feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Go
- You evaluated both and atmos 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 atmos
Run your infrastructure anywhere. Atmos is the open source runtime for infrastructure — it builds, authenticates, and ships Terraform, OpenTofu, Kubernetes, Helm, and containers the same way on your laptop, in CI, and with AI agents. Auth, secrets, vendoring, caching, the toolchain, workflows, and CI are built in. Point every environment at the same reusable root modules and treat the rest as configuration. Stop stringing together 25 tools. Run it on your laptop. Run it the same in CI. Run it with agents. Everything is open source and free. [!TIP] You can try out atmos directly in your browser using GitHub Codesp…
read the full atmos overview →
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Frequently asked questions
Is xxl-job or atmos more popular?
xxl-job has 30,561 GitHub stars and atmos has 1,379. xxl-job has the larger community by that measure.
Are xxl-job and atmos free?
Both are open source. xxl-job is licensed under GPL-3.0 and atmos under Apache-2.0. Neither carries a licence fee.
What is the difference between xxl-job and atmos?
xxl-job is written in Java and atmos in Go. 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 atmos?
Choose xxl-job if you want the larger community (30,561 stars) or its GPL-3.0 licence terms. Choose atmos if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.