# Mouser (open-source desktop utility)

> 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 5,279 GitHub stars and is released under the MIT license. Its source code is on GitHub at TomBadash/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

| Fact | Value |
|---|---|
| Repository | https://github.com/TomBadash/Mouser |
| Platforms | Linux, macOS, Windows |
| Interface | desktop GUI |
| GitHub stars | 5,279 |
| License | MIT (open source) |
| Replaces | n/a |
| Language | Python |
| Website | none listed |
| Official | no |
| Category | Archivers, cleaners & system utilities |
| Latest release | v3.7.3 (Jul 28, 2026) |
| Last commit | Aug 12, 2026 |

## Install

Download a build for your system from the project's releases (https://github.com/TomBadash/Mouser/releases) or website, or build it from source by following the README.

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