Best Mattermost alternatives in 2026
6 direct alternatives to Mattermost, compared on pricing, features, and best-for use cases. Pick the right replacement without the marketing fluff.
Curated by Louis Corneloup · Updated Cite this list: Toolradar, best Mattermost alternatives 2026, toolradar.com/alternatives/mattermost
Why people consider alternatives to Mattermost
Mattermost provides team messaging you can self-host. Slack alternative for organizations that need data control-chat on your infrastructure. Self-hosting keeps conversations private. The features match commercial alternatives.
Teams most often switch away when one of these starts to bite:
- •Pricing at scale as usage or premium tiers add up.
- •Missing integrations with the rest of your stack.
- •Performance or scale limits as your needs grow.
- •A specific feature gap you have hit in communication.
The 6 alternatives below cover the same core job (communication) with different trade-offs. Ranked by real-signal score: G2 and Capterra ratings, media mentions, and editor review.
6 alternatives to Mattermost
Ranked by G2 and Capterra ratings, media mentions, and editor review, plus how directly they replace Mattermost.
- 1
Microsoft Teams
FreemiumBattle-tested at scaleUnite chat, meetings, and files with Microsoft 365
Direct alternative4.4(30,473)as of Sep 2026Compare Mattermost vs Microsoft Teams → - 2
Slack
FreemiumBattle-tested at scaleCentral hub for workplace communication and collaboration
Direct alternative4.2(64,990)as of Sep 2026Compare Mattermost vs Slack → - 3
Zoom
FreemiumBattle-tested at scaleConnect, communicate, and collaborate with HD video meetings
Direct alternative3.4(56,859)as of Sep 2026Compare Mattermost vs Zoom → - 4
Nextcloud
FreemiumHigher rated by usersOpen source content collaboration platform for secure, self-hosted data control and remote teamwork.
Direct alternative4.5(645)as of Sep 2026Compare Mattermost vs Nextcloud → - 5
Discord
FreemiumYour place to talk and hang out
Direct alternative3.7(639)as of Sep 2026Compare Mattermost vs Discord → - 6
Troop Messenger
FreemiumHigher rated by usersAI-first team collaboration and instant messaging app for enterprises.
Direct alternative4.7(126)as of Sep 2026Compare Mattermost vs Troop Messenger →
Frequently asked questions
What is the best alternative to Mattermost?
Based on real-signal scoring (G2 and Capterra ratings, media mentions, and editorial review), the top alternatives to Mattermost are Microsoft Teams, Slack, Zoom. Each solves the same core job with different trade-offs on pricing, features, and integrations.
Is there a free alternative to Mattermost?
There is no fully free alternative in this list. Microsoft Teams is freemium: a permanent free tier plus paid plans (Unite chat, meetings, and files with Microsoft 365).
Why do people look for Mattermost alternatives?
Common reasons teams switch away from Mattermost: pricing that scales aggressively, missing integrations with the rest of their stack, performance or scale limits, or a specific feature gap in communication. The alternatives on this page solve the same core problem with different trade-offs.
Side-by-side comparisons
In-depth comparison pages for Mattermost versus each alternative.
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