head to head · open source
Puter vs Tuta
Puter has 43,565 GitHub stars, 4,066 forks, 19 open issues and last shipped today. Tuta has 7,925 stars, 639 forks, 1,001 open issues and last shipped yesterday. Puter leads on adoption by 450% (43,565 vs 7,925 stars). Puter is written in TypeScript under AGPL-3.0; Tuta is written in TypeScript under GPL-3.0. Puter has attracted 9% as many forks as stars, Tuta 8%. Puter was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (javascript), 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
| Puter | Tuta | |
|---|---|---|
| GitHub stars | ★ 44K | ★ 7.9K |
| License | AGPL-3.0 | GPL-3.0 |
| Written in | TypeScript | TypeScript |
| Last push | 2026-09-20 | 2026-09-19 |
| Forks | ⑂ 4.1K | ⑂ 639 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Puter if
- You weight community size — 44K stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick Tuta if
- You want the Tuta feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches TypeScript
- You evaluated both and Tuta fits your workflow better
About Puter
Puter is an open source, self hostable internet computer that delivers a full desktop environment running directly in a web browser. It functions as a cloud based operating system, integrating file storage, applications, and developer tooling into a single cohesive platform. The project lives in the browser based desktop and cloud infrastructure ecosystem, positioning itself as a free and open alternative to proprietary cloud desktop services.
read the full Puter overview →
About Tuta
Tuta is an open source, end to end encrypted email, calendar and contacts service for individuals and teams who need private communication to work across every device they own.
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Frequently asked questions
Is Puter or Tuta more popular?
Puter has 43,565 GitHub stars and Tuta has 7,925. Puter has the larger community by that measure.
Are Puter and Tuta free?
Both are open source. Puter is licensed under AGPL-3.0 and Tuta under GPL-3.0. Neither carries a licence fee.
What is the difference between Puter and Tuta?
Puter is written in TypeScript and Tuta 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, Puter or Tuta?
Choose Puter if you want the larger community (43,565 stars) or its AGPL-3.0 licence terms. Choose Tuta if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.