head to head · open source
haystack vs kubero
haystack has 26,913 GitHub stars, 3,384 forks, 143 open issues and last shipped yesterday. kubero has 4,460 stars, 216 forks, 128 open issues and last shipped 21 days ago. haystack leads on adoption by 503% (26,913 vs 4,460 stars). haystack is written in Python under Apache-2.0; kubero is written in TypeScript under GPL-3.0. haystack has attracted 13% as many forks as stars, kubero 5%. 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.
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Side by side
| haystack | kubero | |
|---|---|---|
| GitHub stars | ★ 27K | ★ 4.5K |
| License | Apache-2.0 | GPL-3.0 |
| Written in | Python | TypeScript |
| Last push | 2026-11-02 | 2026-10-13 |
| Forks | ⑂ 3.4K | ⑂ 216 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick haystack if
- You weight community size — 27K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick kubero if
- You want the kubero feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches TypeScript
- You evaluated both and kubero fits your workflow better
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 →
About kubero
中文翻译 日本語訳 Kubero [pronounced: Kube Hero] is a self hosted PaaS (Platform as a Service) that allows any developer to deploy their application on Kubernetes without specialized knowledge. Kubero follows the principles of 12 factor apps. It is possible to run apps based on existing containers or from source code. More Screenshots and a full video on YouTube Features (DEMO) Docker Deployments Deploy Docker containers on Kubernetes without needing Helm charts. App Templates (+160) Deploy popular applications like WordPress and Grafana with ready to use templates. CI/CD Pipelines Create unlimited pipelines with up to…
read the full kubero overview →
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Frequently asked questions
Is haystack or kubero more popular?
haystack has 26,913 GitHub stars and kubero has 4,460. haystack has the larger community by that measure.
Are haystack and kubero free?
Both are open source. haystack is licensed under Apache-2.0 and kubero under GPL-3.0. Neither carries a licence fee.
What is the difference between haystack and kubero?
haystack is written in Python and kubero in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, haystack or kubero?
Choose haystack if you want the larger community (26,913 stars) or its Apache-2.0 licence terms. Choose kubero if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.