Communication Review
Mattermost
Deep Dive Analysis
Mattermost is team messaging you can run on your own infrastructure, with a Slack-like interface and strong compliance features.
Target Audience
Organisations that cannot put internal conversations on a third-party service.
The Final Verdict
"The right call when self-hosting is non-negotiable. Otherwise the convenience gap with hosted chat is wide."
Best Alternatives to Mattermost
What we checked
Public API
Offers a documented API you can build against.
Mobile app
Has a native app for iOS or Android, not just a mobile website.
Open source / self-hostable
Source is open and the tool can be run on your own infrastructure.
SSO (SAML)
Supports SAML single sign-on on at least one plan.
These are facts that can be checked, not opinions. Where we have not checked, it says so — we do not fill the gap with a guess.