ToolVitals

Team Chat

Alternatives to Mattermost

Compare healthier or more active tools in the same use case using ToolVitals public evidence.

View Mattermost profileView Team Chat leaderboard

Why compare

Signals behind this alternatives page

  • Commit continuity, contributor activity, and delivery signals are strong.
  • Health score: 98/100.
  • Shipping score: 97/100.

Switching guide

Best alternatives by need

Best overallDiscourse

Highest organic ToolVitals fit for this use case.

Verified open/source-visibleDiscourse, Rocket.Chat, Zulip, Element

Useful when portability and inspectability matter.

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Ranked alternatives

Best-fit team chat options

12 tools
03

Zulip

Zulip server and web application. Open-source team chat that helps teams stay productive and focused.

Active
Health97
Shipping96
Score97
Confidence90
Stars25.9k
ModeSource-visible project
View profileCompare with Mattermost
05

Vexa

Open-source meeting transcription API for Google Meet, Microsoft Teams & Zoom. Auto-join bots, real-time WebSocket transcripts, MCP server for AI agents. Self-host or use hosted SaaS.

Active
Health96
Shipping97
Score96
Confidence90
Stars2.8k
ModeSource-visible project
View profileCompare with Mattermost
09

Haven Chat

Self-hosted private chat — No cloud, no telemetry, no Big Tech. Discord alternative that runs on your own machine.

Active
Health96
Shipping96
Score96
Confidence90
Stars539
ModeSource-visible project
View profileCompare with Mattermost