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Private Cloud Slack-alternative

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.

Data Center Ready

100% self-hosted solution with integrated authentication, compliance, auditing, high availability and a host of security and management features for enterprise organizations.

Slack-compatible, not Slack-limited

Mattermost supports a superset of Slack’s popular features, including webhook APIs, along with import of Slack channels, users, and even theme colors.

Thousands of organizations use Mattermost, including:

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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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