Mixed in Key - Mixed In Key is award-winning DJ software that gives you the #1 technique of the world's best...
Umoove - Face and eye tracking for mobile devices/gaming
KeyFinder - Key estimation software for DJs
WebGazer.js - Eye tracking on the browser
Tunebat - A browser based song key and bpm database. Supplies compatible songs for harmonic mixing.
FOVE - An eye tracking virtual reality headset (pre-launch)