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SPECIFICTION
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Mouser

github.com

Free plan WindowsmacOSLinux
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Spec score 8.3 #23 of 105 in Keyboard and Mouse Customization Software

Spec sheet

Purpose
Mouser is a lightweight, open-source, fully local alternative to Logitech Options+ for remapping Logitech HID++ mice.Read 12 Oct 2026 · github.com
Free plan
YesRead 22 Sep 2026 · github.com
Privacy
The project states that processing and configuration stay on the user’s machine, with no telemetry, cloud service, or Logitech account required.Read 12 Oct 2026 · github.com
License
The project is licensed under the MIT License.Read 12 Oct 2026 · github.com
Maker
The GitHub profile identifies TomBadash as an M.Sc. student in Cyber AI and a researcher at the Offensive AI Lab at Ben-Gurion University.Read 12 Oct 2026 · github.com
Application profiles
It can switch button mappings automatically when the foreground application changes.Read 11 Oct 2026 · github.com
Button remapping
It remaps programmable mouse buttons to mouse clicks, built-in actions, or custom keyboard shortcuts.Read 12 Oct 2026 · github.com
Compatibility limitation
Logitech Options+ must be quit before running Mouser because the two applications compete for HID++ access.Read 11 Oct 2026 · github.com
Configuration limit
Mappings are still global across devices even though layout overrides are stored per detected device.Read 12 Oct 2026 · github.com
Connections
Bluetooth and Logi Bolt connections are supported on Windows, macOS, and Linux.Read 11 Oct 2026 · github.com
Connectivity
Bluetooth and Logi Bolt transports are supported on Windows, macOS, and Linux, with automatic reconnection.Read 12 Oct 2026 · github.com
Device controls
Features include DPI and pointer speed controls, Smart Shift, scroll mode switching, scroll inversion, and gesture swipes.Read 12 Oct 2026 · github.com
Device support
The project lists dedicated layouts for MX Master and MX Anywhere models, with detection and fallback UI for other Logitech HID++ mice.Read 11 Oct 2026 · github.com
Downloads
The README provides downloadable release archives for Windows, macOS Apple Silicon and Intel, and Linux.Read 12 Oct 2026 · github.com
Integration requirement
Logitech Options+ must be closed because both apps compete for HID++ access.Read 12 Oct 2026 · github.com
Language support
The interface supports English, Simplified Chinese, and Traditional Chinese.Read 11 Oct 2026 · github.com
Linux app profiles
Linux per-application detection supports X11 and KDE Wayland; other Wayland compositors use the default profile.Read 12 Oct 2026 · github.com
Linux limitation
Linux application detection works with X11 and KDE Wayland; GNOME and other Wayland compositors fall back to the default profile.Read 11 Oct 2026 · github.com
macOS setup
macOS requires Accessibility permission for Mouser to intercept mouse events.Read 11 Oct 2026 · github.com
Per-app profiles
YesRead 22 Sep 2026 · github.com
Permissions
macOS requires Accessibility permission, while Linux requires access to hidraw, input event, and uinput device paths.Read 12 Oct 2026 · github.com
Profiles
It can automatically switch button mappings when the foreground application changes.Read 12 Oct 2026 · github.com
Sensitivity controls
YesRead 22 Sep 2026 · github.com
Support and contributions
The project invites users to report issues and contribute code, fixes, and features through GitHub.Read 11 Oct 2026 · github.com
Supported mice
The README lists dedicated interactive layouts for MX Master and MX Anywhere models, with fallback UI for other detected Logitech HID++ mice.Read 12 Oct 2026 · github.com
Supported operating systems
cross-platformRead 22 Sep 2026 · github.com

Plans and prices

Free Free Open-source software · no paid tiers stated Read 12 Oct 2026 · github.com

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