Mouser

Mouser is a free, open-source desktop utility for Windows, macOS and Linux. A lightweight, open-source, fully local alternative to Logitech Options+ for remapping Logitech HID++ mice. It has 5,322 GitHub stars and is released under the MIT license. Its source code is on GitHub at TomBadash/Mouser.

github.com/TomBadash/Mouser (opens in a new tab)

Data as of Oct 28, 2026 from the GitHub API; description from the project's repository. Report an error

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About Mouser

A lightweight, open-source, fully local alternative to Logitech Options+ for remapping Logitech HID++ mice. The current best experience is on the MX Master and MX Anywhere families, with detection and fallback UI support for additional Logitech models.

Key facts

Platforms	Linux, macOS and Windows
Interface	Desktop app
License	MIT (open source)
GitHub stars	5,322
Language	Python
Last commit	Oct 19, 2026
Latest release	v3.7.3 (Jul 28, 2026)

Project health

ActiveActive: last commit Oct 19, 2026, last release Jul 28, 2026.

Regular releases10 or more releases in 12 months

Raw inputs behind the health label
Last commit	Oct 19, 2026
Latest release	v3.7.3 (Jul 28, 2026)
Releases, last 12 months	10 or more
Releases, all time	13
Open issues	102
Open pull requests	37
Good first issues	0
Contributing guide	No
Security policy	No
Created	Feb 24, 2026

Health as of Oct 28, 2026, from the GitHub API. A label describes activity, not quality or security. How we label project health · Report a data error