CollabApp
The premium Open Source alternative to Slack (Official App)
🎯 Best for:Mac users tired of Electron bloat
What is CollabApp?
A native desktop wrapper replacing the resource-heavy official Slack Electron application. It utilizes Swift and the macOS WebKit engine to significantly reduce RAM consumption and battery drain.
Tech Stack
SwiftTeam Collaboration
Why CollabApp?
- • Low memory footprint
- • Native macOS notifications
- • Better battery life
Limitations
- • macOS only
- • Lacks some latest Slack UI features
- • Maintenance depends on volunteer updates
12/17/2025
Last Update
6
Forks
8
Issues
Unknown
License
Financial Leak Detected
Stop the "SaaS Tax"
Your team could be burning cash. Switching to CollabApp instantly boosts your runway.
Competitor Cost
-$1,050
/ year (est. based on Slack (Official App))
Self-Hosted
$0
/ year
Team Size10 Users
150+
SAVE 100%