head to head · open source
xxl-job vs nextflow
xxl-job has 30,648 GitHub stars, 11,492 forks, 79 open issues and last shipped 25 days ago. nextflow has 3,520 stars, 820 forks, 422 open issues and last shipped yesterday. xxl-job leads on adoption by 771% (30,648 vs 3,520 stars). xxl-job is written in Java under GPL-3.0; nextflow is written in Groovy under Apache-2.0. xxl-job has attracted 37% as many forks as stars, nextflow 23%. nextflow 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 | nextflow | |
|---|---|---|
| GitHub stars | ★ 31K | ★ 3.5K |
| License | GPL-3.0 | Apache-2.0 |
| Written in | Java | Groovy |
| Last push | 2026-10-09 | 2026-11-02 |
| Forks | ⑂ 11K | ⑂ 820 |
| 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 nextflow if
- You want the nextflow feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Groovy
- You evaluated both and nextflow fits your workflow better
About xxl-job
XXL JOB XXL JOB, a distributed task scheduling framework. Home Page Introduction XXL JOB is a distributed task scheduling framework. It's core design goal is to develop quickly and learn simple, lightweight, and easy to expand. Now, it's already open source, and many companies use it in production environments, real "out of the box". XXL JOB是一个分布式任务调度平台，其核心设计目标是开发迅速、学习简单、轻量级、易扩展。现已开放源代码并接入多家公司线上产品线，开箱即用。 Sponsor XXL JOB is an open source and free project, with its ongoing development made possible entirely by the support of these awesome backers. XXL JOB 是一个开源且免费项目，其正在进行的开发完全得益于支持者的支持。开源不易，前往赞助项目开发 金牌赞助方 阿里云…
read the full xxl-job overview →
About nextflow
"Dataflow variables are spectacularly expressive in concurrent programming" Henri E. Bal , Jennifer G. Steiner , Andrew S. Tanenbaum Nextflow is a workflow system for creating scalable, portable, and reproducible workflows. It is based on the dataflow programming model, which greatly simplifies the writing of parallel and distributed pipelines, allowing you to focus on the flow of data and computation. Nextflow can deploy workflows on a variety of execution platforms, including your local machine, HPC schedulers, AWS Batch, Azure Batch, Google Cloud Batch, and Kubernetes. Additionally, it supports many ways to…
read the full nextflow overview →
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Frequently asked questions
Is xxl-job or nextflow more popular?
xxl-job has 30,648 GitHub stars and nextflow has 3,520. xxl-job has the larger community by that measure.
Are xxl-job and nextflow free?
Both are open source. xxl-job is licensed under GPL-3.0 and nextflow under Apache-2.0. Neither carries a licence fee.
What is the difference between xxl-job and nextflow?
xxl-job is written in Java and nextflow in Groovy. 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 nextflow?
Choose xxl-job if you want the larger community (30,648 stars) or its GPL-3.0 licence terms. Choose nextflow if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.