Leap Motion
https://www.youtube.com/watch?v=_d6KuiuteIA
2012
Arch Linux
Ultraleap on Linux - Ultraleap documentation
$ yay -S ultraleap-hand-tracking-service ultraleap-hand-tracking-control-panel
Leap Mice
GitHub - SuckDuck/leapMiceGemini: The simplest Leap Motion-based mouse