#StackBounty: #open-source #web #chat Alternative to Slack

Bounty: 50

I am searching an open source alternative to Slack.


  • modern chat solution (public, private rooms, discussion threads, emoji-reactions, notification about unread messages, search, …)
  • client needs to be open source
  • server needs to be open source
  • self-hosting should be possible
  • A web-based GUI should be available
  • Mobile usable web GUI (or native app).


  • Most features of the software should be accessible via keyboard (without mouse).

Get this bounty!!!

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