openslack

The premium Open Source alternative to Slack

🎯 Best for:Teams requiring a customizable, self-hosted chat environment.

What is openslack?

A real-time communication platform featuring channels, direct messaging, and integrated video calls. It is built with a modern stack including Next.js for the frontend and Supabase for real-time backend functionality.

Tech Stack
TypeScriptTeam Collaboration

Why openslack?

  • Modern React-based UI
  • Real-time sync via Supabase
  • Integrated video conferencing

Limitations

  • Requires Supabase setup
  • Fewer app integrations
  • No official mobile apps yet
3/12/2026
Last Update
0
Forks
0
Issues
MIT
License
Financial Leak Detected

Stop the "SaaS Tax"

Your team could be burning cash. Switching to openslack instantly boosts your runway.

Competitor Cost
-$1,050
/ year (est. based on Slack)
Self-Hosted
$0
/ year
Team Size10 Users
150+
SAVE 100%

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