Mattermost in the News

GitLab Mattermost, on open source, on-premises Slack alternative - August 18, 2015

“We found Mattermost to be the leading open source Slack-alternative…”

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The Best Companies in the World Use Mattermost

  • Samsung
  • Department of Defense
  • Bristol-Meyers Squibb
  • SAS
  • Cern
An update from our co-founders: Remote work when SaaS is not an option Learn more >