Mattermost
Slack-style team chat you host yourself, written in Go on PostgreSQL. What its two free editions keep, what the paid plans hold back, and how it is licensed.
// CHAT
4 entries tagged with "chat"
// COMPARISONS
1// ENTRIES
3 entries
OpenHive
Slack-style team chat that runs on your own Supabase project: channels, threads, LiveKit calls, webhooks. MIT-licensed, still at version 0.1.0 with no release.
Rocket.Chat
Team chat you host yourself, free for up to 50 users on the Starter plan. Matrix federation and air-gapped installs need a paid plan, priced on request.