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.
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.
Mattermost vs. SlackUnderstand the benefits of compliant, self-hosted communication for your organization’s most important data.
Mattermost vs. HipChat ServerCompare Mattermost’s modern, flexible, open infrastructure approach to HipChat Server.