MattermostvsRocket.Chat

Side-by-side open source comparison

MattermostOpen Source

Secure, self-hosted team messaging platform as an alternative to Slack

Open source team communication platform

Overview

MattermostRocket.Chat

TypeOpen SourceOpen Source

CategoryCommunicationCommunication

PricingFree (self-hosted)Free (self-hosted)

Self-Hostable

LicenseMITMIT

MattermostRocket.Chat

Stars35.6k41k

Forks8.4k10.8k

Contributors3890

Open Issues8240

Last CommitMar 2026--

Latest Release----

MattermostRocket.Chat

Health Score

92Excellent

85Excellent