The Only Open Source Collaboration Platform for Developers

Bring your tools and teams together in a fully secure location.

Screenshot example of collaboration in Mattermost

Collaborate securely and privately, enterprise-wide

Many of the world’s leading privacy-conscious enterprises work better with Mattermost by connecting people, tools, and automation to increase collaboration.

  • Flexible deployment model: Self-hosted or SaaS
  • Enterprise-grade security and privacy for full control of data
  • Works seamlessly with enterprise security, identity, and compliance systems
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Mattermost enables DevOps workflows

DevOps teams use Mattermost to power collaboration at every stage of the DevOps lifecycle. Mattermost unifies people, tools, processes, and automation to help your team increase innovation and agility.

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The open source advantage

Mattermost is the leading open source collaboration platform with a thriving community. It's written in Golang and React and runs as a single Linux binary with MySQL or PostgreSQL. Use the features you like, for example, file sharing, real-time group chat, and webhooks, with full access to source code.

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