head to head · open source
ActivePieces vs mitosis
ActivePieces has 25,343 GitHub stars, 4,422 forks, 573 open issues and last shipped yesterday. mitosis has 14,454 stars, 679 forks, 176 open issues and last shipped 6 days ago. ActivePieces leads on adoption by 75% (25,343 vs 14,454 stars). ActivePieces is written in TypeScript under a custom or non-standard licence; mitosis is written in TypeScript under MIT. ActivePieces has attracted 17% as many forks as stars, mitosis 5%. ActivePieces 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
| ActivePieces | mitosis | |
|---|---|---|
| GitHub stars | ★ 25K | ★ 14K |
| License | Custom / other | MIT |
| Written in | TypeScript | TypeScript |
| Last push | 2026-11-02 | 2026-10-28 |
| Forks | ⑂ 4.4K | ⑂ 679 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick ActivePieces if
- You weight community size — 25K stars and counting
- You want the Custom / other license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick mitosis if
- You want the mitosis feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and mitosis fits your workflow better
About ActivePieces
An open source replacement for Zapier Documentation 🌪️ Create a Piece 🖉 Deploy 🔥 Join Discord 🤯 Welcome to Activepieces All in one AI automation designed to be extensible through a type safe pieces framework written in TypeScript . When you contribute pieces to Activepieces they become automatically available as MCP servers that you can use with LLMs through Claude Desktop, Cursor or Windsurf! 🔥 Why Activepieces is Different: 💖 Loved by Everyone : Intuitive interface and great experience for both technical and non technical users with a quick learning curve. 🌐 Open Ecosystem: All pieces are open source…
read the full ActivePieces overview →
About mitosis
Write components once, compile to every framework Overview Mitosis provides a unified development experience across all frameworks, enabling you to build components in a single codebase and compile them to React, Vue, Angular, Svelte, Solid, Alpine, Qwik, and more. Using Mitosis, you can: Maintain a consistent design system across multiple frameworks (example) Sync your design systems from Figma to code and publish them to npm across frameworks Avoid the pitfalls of web components by compiling to native framework code PS: We are actively looking for folks interested in becoming contributors to Mitosis. If…
read the full mitosis overview →
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Frequently asked questions
Is ActivePieces or mitosis more popular?
ActivePieces has 25,343 GitHub stars and mitosis has 14,454. ActivePieces has the larger community by that measure.
Are ActivePieces and mitosis free?
Both are open source. ActivePieces has no licence declared in this registry, and mitosis is licensed under MIT. Both are free to self-host.
What is the difference between ActivePieces and mitosis?
ActivePieces is written in TypeScript and mitosis 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, ActivePieces or mitosis?
Choose ActivePieces if you want the larger community (25,343 stars) or its Custom / other licence terms. Choose mitosis if its feature set, stack or MIT licence fits better. Both are self-hostable.