rustchat
The premium Open Source alternative to Slack
🎯 Best for:Teams needing a lightweight, self-hosted communication stack.
What is rustchat?
A real-time messaging platform replacing Slack for enterprise team collaboration. The backend is built in Rust to handle high-concurrency websocket connections with minimal resource overhead.
Tech Stack
RustTeam Collaboration
Why rustchat?
- • Extremely low memory footprint
- • Fast message delivery
- • Full data ownership
Limitations
- • Fewer third-party integrations
- • Requires server management
- • Basic mobile experience
3/19/2026
Last Update
1
Forks
2
Issues
MIT
License
Financial Leak Detected
Stop the "SaaS Tax"
Your team could be burning cash. Switching to rustchat instantly boosts your runway.
Competitor Cost
-$1,050
/ year (est. based on Slack)
Self-Hosted
$0
/ year
Team Size10 Users
150+
SAVE 100%