Mattermost is a hybrid cloud enterprise messaging workspace that brings your messaging and tools together to get more done, faster.

A free-to-use, open source, self-hosted alternative to proprietary SaaS messaging. Team Edition is your open source “virtual office”, offering all the core productivity benefits of competing SaaS solutions. It deploys as single Linux binary with MySQL or PostgreSQL under an MIT license. Features include:

  • One-to-one and group messaging, file sharing and unlimited search history
  • Native apps for iOS, Android, Windows, Mac, Linux
  • Threaded messaging, emoji and custom emoji
  • Tools for custom branding
  • Highly customizable third party bots, integrations and command line tools
  • Extensive integration support via webhooks, APIs, drivers and third party extensions
  • Easily scalable from dozens to hundreds of users
  • New improvements released every two months
  • Languages include U.S. English, Chinese (Simplified & Traditional), Dutch, French, German, Italian, Japanese, Korean, Polish, Brazilian Portuguese, Russian, Turkish, and Spanish

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