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keydo

keydo is a cross-platform keyboard remapping daemon written in Rust, ported from keyd. It captures keyboard input at a low level to perform complex, stateful transformations — things like multi-purpose keys (Caps Lock as Escape when tapped, Control when held), custom layers, chords, and macros.

keydo runs as a system daemon and integrates directly with each platform's input stack:

• Linux — uinput and /dev/input
• macOS — CGEventTap / CGEventPost (no kernel extensions needed)
• Windows — WH_KEYBOARD_LL hook / SendInput (no drivers needed)

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Getting Started

📦 Installation	Build from source, register the service, and create your first config
🔄 Updating	Update keydo to the latest release

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Resources

• README — Features, configuration examples, and CLI reference
• keyd configuration docs — Full syntax reference (keydo uses the same format)
• Releases — Changelog and release notes
• Issues — Bug reports and feature requests