hub33
The premium Open Source alternative to Slack
🎯 Best for:Teams requiring full control over their communication data and infrastructure.
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%