head to head · open source
ActivePieces vs writer-framework
ActivePieces has 25,364 GitHub stars, 4,428 forks, 573 open issues and last shipped yesterday. writer-framework has 1,450 stars, 102 forks, 12 open issues and last shipped 13 days ago. ActivePieces leads on adoption by 1,649% (25,364 vs 1,450 stars). ActivePieces is written in TypeScript under a custom or non-standard licence; writer-framework is written in Python under Apache-2.0. ActivePieces has attracted 17% as many forks as stars, writer-framework 7%. 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 | writer-framework | |
|---|---|---|
| GitHub stars | ★ 25K | ★ 1.4K |
| License | Custom / other | Apache-2.0 |
| Written in | TypeScript | Python |
| Last push | 2026-11-04 | 2026-10-23 |
| Forks | ⑂ 4.4K | ⑂ 102 |
| 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 writer-framework if
- You want the writer-framework 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 writer-framework 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 writer-framework
What is Writer Framework? Writer Framework is an open source framework for creating AI applications. Build user interfaces using a visual editor; write the backend code in Python. Writer Framework is fast and flexible with a clean, easily testable syntax. It provides separation of concerns between UI and business logic, enabling more complex applications. Quick Start Installation Writer Framework works on Linux, Mac, and Windows. It supports Python versions 3.9.2 through 3.12. Create and Run Your First App The writer edit command opens the visual editor in your browser where you can build your UI by dragging and…
read the full writer-framework overview →
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Frequently asked questions
Is ActivePieces or writer-framework more popular?
ActivePieces has 25,364 GitHub stars and writer-framework has 1,450. ActivePieces has the larger community by that measure.
Are ActivePieces and writer-framework free?
Both are open source. ActivePieces has no licence declared in this registry, and writer-framework is licensed under Apache-2.0. Both are free to self-host.
What is the difference between ActivePieces and writer-framework?
ActivePieces is written in TypeScript and writer-framework 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, ActivePieces or writer-framework?
Choose ActivePieces if you want the larger community (25,364 stars) or its Custom / other licence terms. Choose writer-framework if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.