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keyd vs input-remapper: catalog facts
keyd	input-remapper
Free Free, with source code published on GitHub.	Free The open-source application is available without a license fee.
Linux, Command line	Linux
Works on X11, Wayland and the console alike Uses kernel input layer, not a desktop toolkit	Supports both X11 and Wayland
Linux only Configured by editing files, no GUI	Requires Linux and appropriate access to input devices.
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: GPL-3.0
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.