hub33

The premium Open Source alternative to Slack

🎯 Best for:Teams requiring full control over their communication data and infrastructure.
Visit WebsiteCompare with Slack
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AGPL-3.0License

What is hub33?

A self-hosted team communication platform designed for secure messaging and collaborative workspaces. It provides a direct alternative to Slack with support for channels, direct messages, and file sharing without per-user pricing.

Tech Stack
TypeScriptTeam Collaboration

Why hub33?

  • No per-user fees
  • End-to-end control
  • Customizable interface

Limitations

  • Maintenance overhead
  • Fewer third-party apps
  • No official mobile app
2/28/2026
Last Update
0
Forks
0
Issues
AGPL-3.0
License
Financial Leak Detected

Stop the "SaaS Tax"

Your team could be burning cash. Switching to hub33 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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