Best Mattermost alternatives
Mattermost is an open-source team messaging platform built for organizations that want to host and control their own chat infrastructure.
About Mattermost
Mattermost is an open-source team messaging platform built for organizations that want to host and control their own chat infrastructure. Positioned as a collaboration platform for mission-critical work — defense, government, critical infrastructure, DevSecOps, and security-operations teams needing data sovereignty.
- Channels for secure messaging and collaboration
- Playbooks for workflow automation
- Calls with screenshare, transcription, and summarization
- Boards for kanban task tracking
- AI agents connectable to sovereign or private LLMs
- Pre-built integrations for SIEM/SOAR and DevSecOps tooling
Platforms
Top alternatives
See how the top Mattermost alternatives compare on use case fit and core strengths.
Slack
A workplace communication platform built around channels, direct messages, integrations, and searchable conversations.
Best for
Teams that prefer a fully managed, cloud-hosted chat tool
Microsoft Teams
A communication and collaboration platform with chat, meetings, file sharing, and Microsoft 365 integration.
Best for
Organizations already using Microsoft 365
Discord
A community-focused communication platform with text channels, voice rooms, and real-time collaboration.
Best for
Communities that value voice chat over self-hosting
How to choose
Start with the workflow you need to improve. Compare ease of use, collaboration features, integrations, customization, and the effort required to migrate your existing data. Confirm it runs on the platforms you need (Windows, macOS, Linux, iOS, Android, Web) before switching.
If Mattermost's feature set above doesn't cover what you need, one of the alternatives compared here — Slack, Microsoft Teams, Discord — may be a closer fit.
Frequently asked questions
What are the best alternatives to Mattermost?
Based on core features and use case fit, the strongest Mattermost alternatives are Slack, Microsoft Teams and Discord. See the comparison above for what each one does best.
How do I migrate from Mattermost to a different tool?
Most teams start by exporting their existing Mattermost data, then importing it into the new tool while running both in parallel until the switch is complete.
Do Mattermost alternatives integrate with the tools my team already uses?
Integration support varies by tool — check each alternative's own integrations before switching workflows that depend on them.
Sources
The facts on this page come from Mattermost's own official site, accessed July 31, 2026. See our Sources Policy for how we handle sourcing.
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