(Edit: It seems they used zstd for this deb)
https://github.com/sezanzeb/input-remapper/releases
Yes, "Keymapper" is already in repos, but this might be useful for users:
https://github.com/sezanzeb/input-remapper#input-remapper wrote:
Formerly Key Mapper
An easy to use tool to change the mapping of your input device buttons.
Supports mice, keyboards, gamepads, X11, Wayland, combined buttons and programmable macros.
Allows mapping non-keyboard events (click, joystick, wheel) to keys of keyboard devices.
https://linuxhint.com/map-a-mouse-button-in-linux/ wrote:
... Input Remapper has been updated with support for mapping joysticks like D-Pads, support for mapping the mouse wheel, key combinations, and loading presets automatically when devices are connected, even after login.