At a glance
- Mattermost is listed under Team chat, alongside Element, Google Chat and Microsoft Teams.
- Mattermost offers a free trial (length not stated).
- Mattermost is available on Web, Windows, macOS, Linux, iOS, Android and API.
- Mattermost works with GitHub, GitLab, Jira, Confluence, Zoom and others.
- Mattermost's main features: Secure messaging and collaboration, Workflow automation, Audio and screenshare, Federation and interoperability, Project management, Playbooks.
- Mattermost's website lists SSO.
- Mattermost has a public API.
- Mattermost can be self-hosted.
- We haven't confirmed whether Mattermost has a free plan.
Facts from mattermost.com, checked October 20, 2026.
AI summary
The summary writes itself once 5 people have reviewed this tool.
It's built only from what reviewers say: who it's best for, who should think twice, and what comes up again and again.
Reviews needed for a summary0 of 5
