Messaging that Works

Share messages and files across phones and PCs, with archiving and instant search. Integrate with your existing systems. All while keeping vital communications behind your firewall.

Enterprise Ready

100% self-hosted solution with enterprise version featuring corporate directory integration, compliance, auditing, high availability with security and management features for advanced organizations.


Slack-compatible, not Slack-limited. All of Slack’s popular features with Slack-compatible webhook APIs, plus Slack import. Open source apps & extensions. No lock-in–you’re always in control.

BLACKDUCK - 2016 Open Source Rookie of the Year

INFOWORLD - 2016 Bossie Award - Top Open Source Application

OPENSOURCE.COM - Top Open Source Project of 2015

As featured in…

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“All team communication in one place…”

“…all the popular features of Slack.”

“…the best of both worlds”

Discover the benefits of Mattermost today

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