Welcome to Mattermost
Mattermost is an open core, self-hosted collaboration platform that offers chat, workflow automation, voice calling, screen sharing, and AI integration. Built for teams that need security, control, and customization, Mattermost runs as a single Linux binary and relies on PostgreSQL for data storage.
Why Mattermost?
Mattermost combines the familiarity of modern messaging with enterprise-grade security and compliance. Written in Go and React, it delivers high performance while maintaining complete data ownership.Real-time Messaging
Direct messages, group conversations, and threaded discussions with rich formatting and emoji reactions
Channels & Teams
Organize conversations by topics with public and private channels across multiple teams
Voice & Video
Built-in voice calling and screen sharing for seamless collaboration
Workflow Automation
Automate processes with playbooks, slash commands, and workflow integrations
Plugin System
Extend functionality with a robust plugin architecture and marketplace with over 700 integrations
AI Integration
Leverage AI capabilities to enhance productivity and automate workflows
Enterprise Security
Advanced authentication, compliance exports, and data retention policies
API-First Design
REST APIs, webhooks, slash commands, and WebSocket support for custom integrations
Key Technical Details
- Backend: Go 1.24.13
- Frontend: React (version 11.4.0)
- Database: PostgreSQL 14+
- Deployment: Single Linux binary, Docker, or Kubernetes
- License: MIT license (released monthly on the 16th)
- Architecture: Designed for high availability with clustering support
Use Cases
Mattermost excels in scenarios where security, compliance, and customization are critical:DevSecOps
Streamline development workflows with ChatOps, CI/CD integrations, and real-time collaboration
Incident Resolution
Coordinate responses with playbooks, automated workflows, and timeline tracking
IT Service Desk
Manage tickets, automate support workflows, and provide self-service resources
Platform Options
- Mattermost Cloud
- Self-Hosted
Get started instantly with our fully managed cloud service.
- Zero infrastructure management
- Automatic updates and security patches
- 99.9% uptime SLA
- Scales automatically with your team
Try Mattermost Cloud
Start your free trial today - no credit card required
Native Mobile & Desktop Apps
Access Mattermost from anywhere with native applications:- Mobile: iOS and Android apps available on App Store and Google Play
- Desktop: Windows, macOS, and Linux native applications
- Web: Fully-featured browser access
All Mattermost clients connect to the same server, ensuring your conversations and data stay synchronized across all devices.
What’s Next?
Quickstart Guide
Get your first Mattermost instance running in minutes
Installation Guide
Detailed deployment options for production environments
Product Documentation
Learn how to configure and use Mattermost features
Developer Docs
Build integrations, plugins, and custom applications
Security & Updates
Security issues should be reported to [email protected]. Learn more in our Security Policy.Open Source Community
Mattermost is built by a vibrant open source community:- GitHub: mattermost/mattermost
- Community Server: Join the conversation
- Contribute: Check out contribution guidelines
- Marketplace: Browse over 700 integrations