head to head · open source
Mattermost vs Wire
Mattermost has 39,093 GitHub stars, 9,000 forks, 1,012 open issues and last shipped yesterday. Wire has 2,549 stars, 180 forks, 173 open issues and last shipped 9 months ago. Mattermost leads on adoption by 1,434% (39,093 vs 2,549 stars). Mattermost is written in TypeScript under a custom or non-standard licence; Wire is written in various languages under GPL-3.0. Mattermost has attracted 23% as many forks as stars, Wire 7%. Mattermost 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
| Mattermost | Wire | |
|---|---|---|
| GitHub stars | ★ 39K | ★ 2.5K |
| License | Custom / other | GPL-3.0 |
| Written in | TypeScript | — |
| Last push | 2026-09-17 | 2026-01-05 |
| Forks | ⑂ 9.0K | ⑂ 180 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Mattermost if
- You weight community size — 39K 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 Wire if
- You want the Wire feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- You evaluated both and Wire fits your workflow better
About Mattermost
Mattermost is an open core, self hosted collaboration platform for teams that need secure chat, workflow automation, voice calling, screen sharing, and AI integration while keeping the deployment under their own control.
read the full Mattermost overview →
About Wire
Wire is an open source secure collaboration platform whose GitHub overview repository gathers code for clients, encryption, audio/video/signaling, server components, and protocol definitions. It lives in the security and privacy ecosystem, specifically data security and privacy.
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Frequently asked questions
Is Mattermost or Wire more popular?
Mattermost has 39,093 GitHub stars and Wire has 2,549. Mattermost has the larger community by that measure.
Are Mattermost and Wire free?
Both are open source. Mattermost has no licence declared in this registry, and Wire is licensed under GPL-3.0. Both are free to self-host.
What is the difference between Mattermost and Wire?
Mattermost is written in TypeScript and Wire in various languages. 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 Wire?
Choose Mattermost if you want the larger community (39,093 stars) or its Custom / other licence terms. Choose Wire if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.