head to head · open source
Mattermost vs Keyshade
Mattermost has 39,093 GitHub stars, 9,000 forks, 1,012 open issues and last shipped yesterday. Keyshade has 768 stars, 263 forks, 78 open issues and last shipped 5 months ago. Mattermost leads on adoption by 4,990% (39,093 vs 768 stars). Mattermost is written in TypeScript under a custom or non-standard licence; Keyshade is written in TypeScript under MPL-2.0. Mattermost has attracted 23% as many forks as stars, Keyshade 34%. Mattermost was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (hacktoberfest), 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 | Keyshade | |
|---|---|---|
| GitHub stars | ★ 39K | ★ 768 |
| License | Custom / other | MPL-2.0 |
| Written in | TypeScript | TypeScript |
| Last push | 2026-09-17 | 2026-04-08 |
| Forks | ⑂ 9.0K | ⑂ 263 |
| 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 Keyshade if
- You want the Keyshade feature set and don't need the biggest community
- You prefer the MPL-2.0 license terms
- Your stack matches TypeScript
- You evaluated both and Keyshade 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 Keyshade
Keyshade is an open source secret and configuration management tool that encrypts secrets with public key cryptography and pushes them to application runtimes in real time, built in TypeScript for teams that currently keep configuration in a cloud provider's dashboard.
read the full Keyshade overview →
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Frequently asked questions
Is Mattermost or Keyshade more popular?
Mattermost has 39,093 GitHub stars and Keyshade has 768. Mattermost has the larger community by that measure.
Are Mattermost and Keyshade free?
Both are open source. Mattermost has no licence declared in this registry, and Keyshade is licensed under MPL-2.0. Both are free to self-host.
What is the difference between Mattermost and Keyshade?
Mattermost is written in TypeScript and Keyshade 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 Keyshade?
Choose Mattermost if you want the larger community (39,093 stars) or its Custom / other licence terms. Choose Keyshade if its feature set, stack or MPL-2.0 licence fits better. Both are self-hostable.