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 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. No paid placement.
6 alternatives to Mattermost
Ranked by real-signal composite (rankingScore + community + reviews) and direct relevance to Mattermost.
- 1
Microsoft Teams
FreemiumBattle-tested at scaleUnite chat, meetings, and files with Microsoft 365
Direct alternative4.4(17,741)Compare Mattermost vs Microsoft Teams → - 2
Slack
FreemiumHigher rated by usersCentral hub for workplace communication and collaboration
Direct alternative4.5(61,908)Compare Mattermost vs Slack → - 3
Zoom
FreemiumHigher rated by usersConnect, communicate, and collaborate with HD video meetings
Direct alternative4.5(11,000)Compare Mattermost vs Zoom → - 4
Discord
FreemiumBattle-tested at scaleYour place to talk and hang out
Direct alternative4.4(1,730)Compare Mattermost vs Discord → - 5
Nextcloud
FreemiumHigher rated by usersOpen source content collaboration platform for secure, self-hosted data control and remote teamwork.
Direct alternative4.5(605)Compare Mattermost vs Nextcloud → - 6
Troop Messenger
FreemiumHigher rated by usersAI-first team collaboration and instant messaging app for enterprises.
Direct alternative4.7(102)Compare 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?
Yes. Microsoft Teams is one of the freemium alternatives to Mattermost listed here (Unite chat, meetings, and files with Microsoft 365). Other freemium options are flagged in the list below.
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.
Still considering Mattermost?
See the full review, pricing breakdown, and community feedback before you decide.