KMonad is a cross-platform, advanced keyboard remapping tool written in Haskell. It provides low-level key control, supporting layers, tap-hold combos, multi-tap, macros, and more—even for keyboards without firmware-level customization.
DeskHop is an open-source hardware/software KVM device that seamlessly switches keyboard/mouse between two computers by dragging the cursor or via hotkeys. It’s plug‑and‑play, requiring no drivers, and provides galvanic isolation for secure multi-OS setups.