Best Mattermost Alternatives 2026

Self-hosted team collaboration platform for technical teams. Find free, indie, and cheaper options that work for your team.

Communication$0 - $10/user/monthUpdated 2026-02

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What is Mattermost?

Mattermost is an open-source, self-hosted messaging platform designed for technical and security-conscious teams. It offers Slack-like features with full control over data, deployment, and customization. Popular with DevOps teams, government agencies, and enterprises requiring on-premise solutions.

Key Features

-Self-hosted deployment with full data ownership

-Unlimited message history and file storage (self-hosted)

-Channels, direct messages, and threaded conversations

-Integrations with DevOps tools (GitLab, Jenkins, Jira)

-End-to-end encryption and compliance features

-Custom plugins and extensive API

Why Look for Mattermost Alternatives?

Teams seek alternatives to avoid self-hosting complexity, reduce per-user costs for large teams, access better mobile experiences, or find simpler solutions that don't require dedicated infrastructure management.

Common Pain Points

•Enterprise pricing at $10/user/month adds up quickly for growing teams
•Self-hosting requires technical expertise and infrastructure management
•Smaller plugin ecosystem compared to Slack or Microsoft Teams
•Mobile apps less polished than commercial alternatives
•Setup and maintenance overhead for non-technical teams

Best Mattermost Alternatives (5)

Rocket.Chat

100% savings

Open-source team chat platform with self-hosted and cloud options. Free Community Edition includes unlimited users and messages.

Unlimited users and messages on self-hostedVideo conferencing and screen sharingFile sharing and searchable message historyMobile apps for iOS and Android

Best for: Teams wanting open-source collaboration without per-user costs

Note: Self-hosting requires technical setup; cloud version has user limits on free tier

Visit Rocket.Chat →

Zulip

100% savings

Open-source threaded team chat with unique topic-based organization. Free for self-hosting or Zulip Cloud Standard for small teams.

Topic-based threading for organized conversationsUnlimited message history (self-hosted)10,000 messages history on free cloud planPowerful search and integrations

Best for: Teams prioritizing conversation organization and async communication

Note: Cloud free tier limited to 10,000 messages; smaller community than Slack

Visit Zulip →

Discord

100% savings

Free voice, video, and text chat platform originally for gaming, now widely used by communities and teams.

Unlimited users and messages completely freeVoice channels and video callsScreen sharing and streamingChannels, threads, and roles

Best for: Small to medium teams wanting zero-cost, reliable communication

Note: 25MB file upload limit (free); less enterprise-focused than Mattermost

Visit Discord →

Element

100% savings

Decentralized, open-source messenger built on Matrix protocol. Self-host for free or use Element's hosted service.

End-to-end encryption by defaultDecentralized architecture (Matrix protocol)Self-hosting or free hosted optionBridges to Slack, Discord, and other platforms

Best for: Privacy-focused teams wanting decentralized, encrypted communication

Note: Smaller ecosystem; UI less polished than commercial options

Visit Element →

Slack (Free)

100% savings

Industry-standard team chat with generous free tier including 90-day message history and 10 integrations.

90 days of searchable message history10 app integrations1:1 voice and video callsFile sharing and search

Best for: Teams wanting polished UX without self-hosting complexity

Note: 90-day message limit; only 10 integrations on free plan

Visit Slack (Free) →

Head-to-Head Comparisons

Mattermost vs River

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Tips for Switching from Mattermost

-Export message history and files before migrating to preserve team knowledge

-Test cloud-hosted alternatives with a small team before full migration

-Evaluate whether you truly need self-hosting or if cloud solutions meet compliance needs

-Consider migration tools for moving to Slack, Discord, or other platforms

Pro Tips

-If you don't need self-hosting, cloud-based free tiers eliminate infrastructure costs entirely

-Discord and Slack free plans work well for teams under 50 people with no message history requirements

-For open-source requirements, Rocket.Chat and Zulip offer similar self-hosting benefits without per-user fees

-Consider Element if end-to-end encryption and decentralization are priorities

Ready to Switch from Mattermost?

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