head to head · open source
xxl-job vs uncloud
xxl-job has 30,562 GitHub stars, 11,486 forks, 79 open issues and last shipped 2 months ago. uncloud has 5,492 stars, 179 forks, 89 open issues and last shipped yesterday. xxl-job leads on adoption by 456% (30,562 vs 5,492 stars). xxl-job is written in Java under GPL-3.0; uncloud is written in Go under Apache-2.0. xxl-job has attracted 38% as many forks as stars, uncloud 3%. uncloud 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 | uncloud | |
|---|---|---|
| GitHub stars | ★ 31K | ★ 5.5K |
| License | GPL-3.0 | Apache-2.0 |
| Written in | Java | Go |
| Last push | 2026-07-21 | 2026-09-17 |
| Forks | ⑂ 11K | ⑂ 179 |
| 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 uncloud if
- You want the uncloud 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 uncloud 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 uncloud
Uncloud is a lightweight Apache 2.0 licensed clustering and container orchestration tool written in Go that deploys and manages containerised applications across a network of Docker hosts, aimed at developers who want the flexibility of self hosted infrastructure without the operational complexity of Kubernetes.
read the full uncloud overview →
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Frequently asked questions
Is xxl-job or uncloud more popular?
xxl-job has 30,562 GitHub stars and uncloud has 5,492. xxl-job has the larger community by that measure.
Are xxl-job and uncloud free?
Both are open source. xxl-job is licensed under GPL-3.0 and uncloud under Apache-2.0. Neither carries a licence fee.
What is the difference between xxl-job and uncloud?
xxl-job is written in Java and uncloud 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 uncloud?
Choose xxl-job if you want the larger community (30,562 stars) or its GPL-3.0 licence terms. Choose uncloud if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.