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Karabiner-Elements vs KMonad: catalog facts
Karabiner-Elements	KMonad
Free Free and open source, released into the public domain under the Unlicense. Donations are…	Free Free and open source under the MIT licence.
macOS	Windows, macOS, Linux, Command line
Per-device rules, so a laptop keyboard and an external one can be mapped differently Complex modifications handle tap-versus-hold, layers and per-application rules	Firmware-style layers on any keyboard Works on Linux, Windows and macOS
macOS only Installs a driver extension and needs input monitoring permission, which some managed Macs block	Configured by editing text files, no GUI Setup takes some effort, particularly on macOS
Downloadable app	Downloadable app
Open source	Open source
License: Unlicense	License: MIT
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked October 2, 2026

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