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Little Big Mouse
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Docs & guides

Figure it out

Install it, lay out your screens, and fix the weird cases. The GitHub wiki has more — and if something's missing or wrong here, that's a great excuse to open an issue.

Getting started

Install Little Big Mouse on Windows 10/11, arrange your screens the way they sit on your desk, and turn it on.

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Using Little Big Mouse

A tour of the interface — layout, options, color and brightness balancing, and living with LBM day to day.

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Border sections

Draw sections along a screen edge and give each one its own resistance for plain moves and for drags, or turn it into a wall.

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Linux (experimental)

Run the experimental Linux port — install it from the AUR on Arch, or build from source elsewhere. evdev/uinput mouse routing, tested on KDE Plasma 6 Wayland.

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Troubleshooting

The usual snags — the app won't start, the cursor won't cross, a game misbehaves — and how to report what's left.

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Little Big Mouse

DPI-aware mouse crossing for multi-monitor setups — your cursor lands where your screens actually meet.

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