head to head · open source
xxl-job vs haystack
xxl-job has 30,648 GitHub stars, 11,492 forks, 79 open issues and last shipped 25 days ago. haystack has 26,913 stars, 3,384 forks, 143 open issues and last shipped yesterday. xxl-job leads on adoption by 14% (30,648 vs 26,913 stars). xxl-job is written in Java under GPL-3.0; haystack is written in Python under Apache-2.0. xxl-job has attracted 37% as many forks as stars, haystack 13%. haystack 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.
← all 20902 open source comparisons
Side by side
| xxl-job | haystack | |
|---|---|---|
| GitHub stars | ★ 31K | ★ 27K |
| License | GPL-3.0 | Apache-2.0 |
| Written in | Java | Python |
| Last push | 2026-10-09 | 2026-11-02 |
| Forks | ⑂ 11K | ⑂ 3.4K |
| 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 haystack if
- You want the haystack feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Python
- You evaluated both and haystack 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 haystack
🎉🎊✨ Haystack 3.0 is out! ✨🎊🎉 Read the announcement here! 🥳 🎈 🎆 🪅 🎇 🍾 🥂 🎁 🌈 Haystack is an open source AI orchestration framework for building production ready LLM applications in Python. Design modular pipelines and agent workflows with explicit control over retrieval, routing, memory, and generation. Build scalable RAG systems, multimodal applications, semantic search, question answering, and autonomous agents, all in a transparent architecture that lets you experiment, customize deeply, and deploy with confidence. Table of Contents Installation Documentation Features Haystack Enterprise: Support &…
read the full haystack overview →
More in Infrastructure & Operations
Related comparisons
More Orchestration & Scheduling projects
Compare either of these against the rest of the Orchestration & Scheduling field.
Frequently asked questions
Is xxl-job or haystack more popular?
xxl-job has 30,648 GitHub stars and haystack has 26,913. xxl-job has the larger community by that measure.
Are xxl-job and haystack free?
Both are open source. xxl-job is licensed under GPL-3.0 and haystack under Apache-2.0. Neither carries a licence fee.
What is the difference between xxl-job and haystack?
xxl-job is written in Java and haystack in Python. 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 haystack?
Choose xxl-job if you want the larger community (30,648 stars) or its GPL-3.0 licence terms. Choose haystack if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.