head to head · open source
xxl-job vs moon
xxl-job has 30,562 GitHub stars, 11,486 forks, 79 open issues and last shipped 2 months ago. moon has 4,105 stars, 252 forks, 99 open issues and last shipped yesterday. xxl-job leads on adoption by 645% (30,562 vs 4,105 stars). xxl-job is written in Java under GPL-3.0; moon is written in Rust under MIT. xxl-job has attracted 38% as many forks as stars, moon 6%. moon 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 | moon | |
|---|---|---|
| GitHub stars | ★ 31K | ★ 4.1K |
| License | GPL-3.0 | MIT |
| Written in | Java | Rust |
| Last push | 2026-07-21 | 2026-09-17 |
| Forks | ⑂ 11K | ⑂ 252 |
| 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 moon if
- You want the moon feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Rust
- You evaluated both and moon 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 moon
moon is a repository management, organization, orchestration, and notification tool for the web ecosystem, written in Rust under the MIT license. It is a build system and monorepo management tool whose concepts are heavily inspired by Bazel and other build systems. The project is associated with build system, monorepo tooling, ci cd, Node.js, JavaScript, Bun, Deno, Go, Python, and Ruby topics.
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Frequently asked questions
Is xxl-job or moon more popular?
xxl-job has 30,562 GitHub stars and moon has 4,105. xxl-job has the larger community by that measure.
Are xxl-job and moon free?
Both are open source. xxl-job is licensed under GPL-3.0 and moon under MIT. Neither carries a licence fee.
What is the difference between xxl-job and moon?
xxl-job is written in Java and moon in Rust. 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 moon?
Choose xxl-job if you want the larger community (30,562 stars) or its GPL-3.0 licence terms. Choose moon if its feature set, stack or MIT licence fits better. Both are self-hostable.