head to head · open source
xxl-job vs rtic
xxl-job has 30,562 GitHub stars, 11,486 forks, 79 open issues and last shipped 2 months ago. rtic has 2,403 stars, 263 forks, 58 open issues and last shipped yesterday. xxl-job leads on adoption by 1,172% (30,562 vs 2,403 stars). xxl-job is written in Java under GPL-3.0; rtic is written in Rust under Apache-2.0. xxl-job has attracted 38% as many forks as stars, rtic 11%. rtic was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (scheduler), so they are genuine substitutes rather than adjacent tools.
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 | rtic | |
|---|---|---|
| GitHub stars | ★ 31K | ★ 2.4K |
| License | GPL-3.0 | Apache-2.0 |
| Written in | Java | Rust |
| Last push | 2026-07-21 | 2026-09-17 |
| Forks | ⑂ 11K | ⑂ 263 |
| 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 rtic if
- You want the rtic feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Rust
- You evaluated both and rtic 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 rtic
RTIC is the Real Time Interrupt driven Concurrency framework for ARM Cortex M microcontrollers. It lives in the Rust embedded ecosystem, with topics that include bare metal, no std, concurrency, and scheduling. The README describes it as a hardware accelerated Rust RTOS and a concurrency framework for building real time systems. All Cortex M devices are fully supported, and most RISC V devices are supported.
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Frequently asked questions
Is xxl-job or rtic more popular?
xxl-job has 30,562 GitHub stars and rtic has 2,403. xxl-job has the larger community by that measure.
Are xxl-job and rtic free?
Both are open source. xxl-job is licensed under GPL-3.0 and rtic under Apache-2.0. Neither carries a licence fee.
What is the difference between xxl-job and rtic?
xxl-job is written in Java and rtic 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 rtic?
Choose xxl-job if you want the larger community (30,562 stars) or its GPL-3.0 licence terms. Choose rtic if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.