head to head · open source
Mattermost vs Quiet
Mattermost has 39,510 GitHub stars, 9,087 forks, 1,012 open issues and last shipped yesterday. Quiet has 2,660 stars, 150 forks, 773 open issues and last shipped yesterday. Mattermost leads on adoption by 1,385% (39,510 vs 2,660 stars). Mattermost is written in TypeScript under a custom or non-standard licence; Quiet is written in TypeScript under GPL-3.0. Mattermost has attracted 23% as many forks as stars, Quiet 6%. Mattermost was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (collaboration), 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
| Mattermost | Quiet | |
|---|---|---|
| GitHub stars | ★ 40K | ★ 2.7K |
| License | Custom / other | GPL-3.0 |
| Written in | TypeScript | TypeScript |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 9.1K | ⑂ 150 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Mattermost if
- You weight community size — 40K 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 Quiet if
- You want the Quiet 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 Quiet fits your workflow better
About Mattermost
Mattermost is an open core, self hosted collaboration platform that offers chat, workflow automation, voice calling, screen sharing, and AI integration. This repo is the primary source for core development on the Mattermost platform; it's written in Go and React, runs as a single Linux binary, and relies on PostgreSQL. A new compiled version is released under an MIT license every month on the 16th. Deploy Mattermost on premises, or try it for free in the cloud. Learn more about the following use cases with Mattermost: DevSecOps Incident Resolution IT Service Desk Other useful resources: Download and Install…
read the full Mattermost overview →
About Quiet
Quiet Encrypted p2p team chat with no servers, just Tor. Downloads How it Works Features Threat Model Mission FAQ Developer setup Quiet is an alternative to team chat apps like Slack, Discord, and Element that does not require trusting a central server or running one's own. In Quiet, all data syncs directly between a team's devices over Tor with no server required. NOTE: Quiet is not audited and should not be used when privacy and security are critical. It lacks basic features and probably won't replace your Slack or Discord yet. That said, it works surprisingly well and we use it daily as a Slack replacement…
read the full Quiet overview →
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Frequently asked questions
Is Mattermost or Quiet more popular?
Mattermost has 39,510 GitHub stars and Quiet has 2,660. Mattermost has the larger community by that measure.
Are Mattermost and Quiet free?
Both are open source. Mattermost has no licence declared in this registry, and Quiet is licensed under GPL-3.0. Both are free to self-host.
What is the difference between Mattermost and Quiet?
Mattermost is written in TypeScript and Quiet 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, Mattermost or Quiet?
Choose Mattermost if you want the larger community (39,510 stars) or its Custom / other licence terms. Choose Quiet if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.