head to head · open source
ActivePieces vs MDMA
ActivePieces has 24,584 GitHub stars, 4,214 forks, 573 open issues and last shipped 2 days ago. MDMA has 67 stars, 2 forks, 0 open issues and last shipped 1 months ago. ActivePieces leads on adoption by 36,593% (24,584 vs 67 stars). ActivePieces is written in TypeScript under a custom or non-standard licence; MDMA is written in TypeScript under MIT. ActivePieces has attracted 17% as many forks as stars, MDMA 3%. ActivePieces 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 | MDMA | |
|---|---|---|
| GitHub stars | ★ 25K | ★ 67 |
| License | Custom / other | MIT |
| Written in | TypeScript | TypeScript |
| Last push | 2026-09-18 | 2026-08-10 |
| Forks | ⑂ 4.2K | ⑂ 2 |
| 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 MDMA if
- You want the MDMA feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and MDMA 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 MDMA
MDMA (Markdown Document with Mounted Applications) is an MIT licensed TypeScript library that extends Markdown with interactive components, so an LLM can answer with forms, tables, and approval gates that a host application renders inline instead of leaving the user to act on plain text.
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Frequently asked questions
Is ActivePieces or MDMA more popular?
ActivePieces has 24,584 GitHub stars and MDMA has 67. ActivePieces has the larger community by that measure.
Are ActivePieces and MDMA free?
Both are open source. ActivePieces has no licence declared in this registry, and MDMA is licensed under MIT. Both are free to self-host.
What is the difference between ActivePieces and MDMA?
ActivePieces is written in TypeScript and MDMA 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 MDMA?
Choose ActivePieces if you want the larger community (24,584 stars) or its Custom / other licence terms. Choose MDMA if its feature set, stack or MIT licence fits better. Both are self-hostable.