head to head · open source
ActivePieces vs lemma-platform
ActivePieces has 25,063 GitHub stars, 4,348 forks, 573 open issues and last shipped 2 days ago. lemma-platform has 559 stars, 71 forks, 32 open issues and last shipped 2 days ago. ActivePieces leads on adoption by 4,384% (25,063 vs 559 stars). ActivePieces is written in TypeScript under a custom or non-standard licence; lemma-platform is written in Python under AGPL-3.0. ActivePieces has attracted 17% as many forks as stars, lemma-platform 13%. lemma-platform was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 3 topic tags (ai-agents, mcp, mcp-server), 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
| ActivePieces | lemma-platform | |
|---|---|---|
| GitHub stars | ★ 25K | ★ 559 |
| License | Custom / other | AGPL-3.0 |
| Written in | TypeScript | Python |
| Last push | 2026-10-15 | 2026-10-15 |
| Forks | ⑂ 4.3K | ⑂ 71 |
| 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 lemma-platform if
- You want the lemma-platform feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches Python
- You evaluated both and lemma-platform fits your workflow better
About ActivePieces
ActivePieces is an open source, TypeScript based no code automation platform for building AI workflows and exposing integrations as MCP servers, aimed at both technical and non technical users who want Zapier style automation while keeping control of their own data.
read the full ActivePieces overview →
About lemma-platform
Lemma Platform is an open source, multiplayer AI teammate for teams: a Python harness, licensed AGPL 3.0, that a team hires once and then reaches from Slack, Teams, WhatsApp, Telegram, email, the web, or its own AI agent.
read the full lemma-platform overview →
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Frequently asked questions
Is ActivePieces or lemma-platform more popular?
ActivePieces has 25,063 GitHub stars and lemma-platform has 559. ActivePieces has the larger community by that measure.
Are ActivePieces and lemma-platform free?
Both are open source. ActivePieces has no licence declared in this registry, and lemma-platform is licensed under AGPL-3.0. Both are free to self-host.
What is the difference between ActivePieces and lemma-platform?
ActivePieces is written in TypeScript and lemma-platform 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 lemma-platform?
Choose ActivePieces if you want the larger community (25,063 stars) or its Custom / other licence terms. Choose lemma-platform if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.