Mouser
The premium Open Source alternative to Logitech Options+
🎯 Best for:Users who want to customize their MX Master 3S without installing heavy, tracking-enabled software.
What is Mouser?
A specialized utility for remapping buttons and gestures on the Logitech MX Master 3S mouse without proprietary bloatware. It provides a low-latency, privacy-focused solution for peripheral customization across different operating systems.
Tech Stack
PythonOS & Utilities
Why Mouser?
- • Extremely lightweight
- • No login required
- • Fast button response
Limitations
- • Device specific (MX 3S)
- • No cloud profile sync
- • Basic configuration UI
4/28/2026
Last Update
106
Forks
52
Issues
MIT
License
Financial Leak Detected
Stop the "SaaS Tax"
Your team could be burning cash. Switching to Mouser instantly boosts your runway.
Competitor Cost
-$1,440
/ year (est. based on Logitech Options+)
Self-Hosted
$0
/ year
Team Size10 Users
150+
SAVE 100%