head to head · open source
haystack vs swarmclaw
haystack has 26,924 GitHub stars, 3,388 forks, 143 open issues and last shipped yesterday. swarmclaw has 704 stars, 144 forks, 23 open issues and last shipped 4 months ago. haystack leads on adoption by 3,724% (26,924 vs 704 stars). haystack is written in Python under Apache-2.0; swarmclaw is written in TypeScript under MIT. haystack has attracted 13% as many forks as stars, swarmclaw 20%. haystack was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 4 topic tags (agent-framework, agents, ai, ai-agents), 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
| haystack | swarmclaw | |
|---|---|---|
| GitHub stars | ★ 27K | ★ 704 |
| License | Apache-2.0 | MIT |
| Written in | Python | TypeScript |
| Last push | 2026-11-04 | 2026-06-30 |
| Forks | ⑂ 3.4K | ⑂ 144 |
| 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 swarmclaw if
- You want the swarmclaw feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and swarmclaw 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 swarmclaw
SwarmClaw The self hosted AI agent runtime and multi agent framework for autonomous agents. Open source agent swarms with durable agent memory, MCP tools, skills, delegation, schedules, and 23+ LLM providers — a practical Claude Code and LangChain alternative. SwarmClaw is an open source, self hosted AI agent runtime and multi agent framework. Run autonomous AI agents, agent swarms, and orchestrators with heartbeats, schedules, delegation, agent memory, runtime skills, and reviewed conversation to skill learning — across OpenClaw gateways, Claude, GPT, Gemini, OpenRouter, Ollama, and 23+ other providers. Use it…
read the full swarmclaw overview →
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Frequently asked questions
Is haystack or swarmclaw more popular?
haystack has 26,924 GitHub stars and swarmclaw has 704. haystack has the larger community by that measure.
Are haystack and swarmclaw free?
Both are open source. haystack is licensed under Apache-2.0 and swarmclaw under MIT. Neither carries a licence fee.
What is the difference between haystack and swarmclaw?
haystack is written in Python and swarmclaw 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 swarmclaw?
Choose haystack if you want the larger community (26,924 stars) or its Apache-2.0 licence terms. Choose swarmclaw if its feature set, stack or MIT licence fits better. Both are self-hostable.