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ShareCursor is free and open source. Grab the installer for your OS below — no account, no Rust, no license. After installing, follow the Quickstart to set up your two machines.
Early development: ShareCursor may not work reliably on every setup yet. Your bug reports, improvement ideas, and pull requests help improve it.
Latest version: the links below always point to the most recent release.

Download for macOS

Universal .dmg — Apple Silicon + Intel.

Download for Windows

.exe installer — no administrator rights needed.
The builds are unsigned (no paid Apple/Microsoft certificate), so your OS shows a one-time warning on first launch. Follow the Installation guide to review and allow the app.

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Install with a package manager

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After you install

1

Grant permissions (macOS)

Enable Accessibility + Input Monitoring for ShareCursor in System Settings → Privacy & Security. Full details in the Installation guide.
2

Allow the firewall (Windows)

On first run, tick Private networks and click Allow access (port 24800).
3

Set it up

Open Quickstart and share your keyboard & mouse in 60 seconds.

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What you get

One keyboard & mouse

Push your cursor across the screen edge to control the other machine.

Shared clipboard

Copy on one machine, paste on the other — text and images.

Drag-and-drop files

Send files between machines over a reliable, chunked channel.

End-to-end encrypted

X25519 + a shared passphrase + ChaCha20-Poly1305. LAN-only, no cloud.

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System requirements

Prefer to build from source? See the Development guide — no prebuilt binary, no warnings, full control.