Mattermost vs Rocket.Chat
Is it time to switch? We break down the differences so you can stop bleeding money.
Choose Rocket.Chat.
If you want to own your data, save money, and avoid vendor lock-in, Rocket.Chat is more popular among developers.
What Actually Matters
No fluff — just the differences that affect your decision
Both are open source under Other. No lock-in on either side — pick based on fit, not fear.
Both can run on your own metal with Docker. Full data ownership, no cloud dependency. We have deploy guides for each.
Rocket.Chat leads at 46.3k stars vs 39.3k, but both have solid communities. You won't be alone with either choice.
Both written in TypeScript. Same ecosystem, same talent pool — makes switching easier if you ever need to.
Try both — most offer free tiers. The right pick depends on your stack size, team, and tolerance for DevOps.
Mattermost
Mattermost is an open source platform for secure collaboration across the entire software development lifecycle..
Why Choose Mattermost
- ✓Enterprise-grade security with SOC2 and HIPAA compliance
- ✓Granular access control and audit logging
- ✓Slack-compatible webhook and bot ecosystem
Drawbacks
- ×Self-hosting maintenance
Rocket.Chat
The Secure CommsOS™ for mission-critical operations
Why Choose Rocket.Chat
- ✓Unified inbox with omnichannel support for live chat, email, and social
- ✓Highly customizable with white-labeling options
- ✓End-to-end encrypted messaging available
Drawbacks
- ×Resource intensive
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