Key Remapper

Linux

• https://github.com/xremap/nix-flake => https://github.com/kachick/dotfiles/issues/784
• xmodmap => https://github.com/kachick/times_kachick/issues/174
• https://github.com/rvaiya/keyd
• https://github.com/NixOS/nixpkgs/pull/181361#issuecomment-2018146424
• https://github.com/sezanzeb/input-remapper

Windows

• https://github.com/microsoft/PowerToys
• https://github.com/karakaram/alt-ime-ahk

macOS

• https://karabiner-elements.pqrs.org/

Cross-Platform

• https://github.com/houmain/keymapper # on macOS, actually depends on Karabiner-Element's virtual device driver