51
Mattermost
Team chat. Source is AGPL unless you buy a commercial licence.
Mattermost vs Stoat
Mattermost scores 51 on the signals we measured. Stoat scores 43. Prefer Mattermost if you are following the score, then read the licence notes before you migrate.
43
Stoat
Team chat previously known as Revolt. The server is AGPL.
| Mattermost | Stoat | |
|---|---|---|
| Measured score | 51 | 43 |
| Licence | AGPL-3.0 | AGPL-3.0 |
| Stack | TypeScript | Rust |
| Docker | Not at usual paths | Compose or Dockerfile found |
| Hosted option | Vendor cloud listed | No vendor cloud listed |
| Last push | 2026-10-15 | 2026-10-15 |
| Stars | 39,333 | 3,395 |