Mouser

lastmod 2026-03-16created 2026-03-161 edits

A lightweight, open-source alternative to Logitech Options+ for remapping buttons on the Logitech MX Master 3S mouse

An open-source alternative to the Logi-Plus mouse software

About

• Lightweight open source that can remap every programmable button on the Logitech MX Master 3S mouse, able to replace Logitech Options+
• Requires no cloud, telemetry, or login account at all, and supports macOS and Windows
• Provides per-app profile switching, 22 built-in actions, DPI adjustment, gesture button support, and more
• Includes a modern Qt Quick UI-based interface, system tray integration, automatic reconnection, and real-time connection status display
• Released under the MIT license, a fully local alternative that runs immediately without the complicated installation of Logitech Options+

See also

• Mouse
• Logitech

Favorite site

• Github - TomBadash/Mouser
• Mouser - An open-source alternative to the Logi-Plus mouse software | GeekNews