head to head · open source
haystack vs Paradev
haystack has 26,931 GitHub stars, 3,397 forks, 143 open issues and last shipped yesterday. Paradev has 15,983 stars, 1,431 forks, 1,164 open issues and last shipped yesterday. haystack leads on adoption by 68% (26,931 vs 15,983 stars). haystack is written in Python under Apache-2.0; Paradev is written in TypeScript under MIT. haystack has attracted 13% as many forks as stars, Paradev 9%. Paradev was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (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 | Paradev | |
|---|---|---|
| GitHub stars | ★ 27K | ★ 16K |
| License | Apache-2.0 | MIT |
| Written in | Python | TypeScript |
| Last push | 2026-11-05 | 2026-11-05 |
| Forks | ⑂ 3.4K | ⑂ 1.4K |
| 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 Paradev if
- You want the Paradev feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and Paradev 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 Paradev
Paradev (formerly Superset) Run Claude Code, Codex, or another CLI agent with terminals, code review, and browser previews in one workspace. Download for macOS • Documentation • Changelog • Discord What is Paradev? Paradev is a desktop app for running CLI coding agents in parallel. Each task gets its own Git worktree, branch, and terminals, so Claude Code, Codex, OpenCode, Gemini CLI, Cursor Agent, or any other CLI agent can work on several tasks in one repository at the same time. Paradev is for developers who already use a coding agent in the terminal and want to run more than one task at once…
read the full Paradev overview →
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Frequently asked questions
Is haystack or Paradev more popular?
haystack has 26,931 GitHub stars and Paradev has 15,983. haystack has the larger community by that measure.
Are haystack and Paradev free?
Both are open source. haystack is licensed under Apache-2.0 and Paradev under MIT. Neither carries a licence fee.
What is the difference between haystack and Paradev?
haystack is written in Python and Paradev 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 Paradev?
Choose haystack if you want the larger community (26,931 stars) or its Apache-2.0 licence terms. Choose Paradev if its feature set, stack or MIT licence fits better. Both are self-hostable.