Umoove - Face and eye tracking for mobile devices/gaming
userinput.io - Get on-demand feedback for your app, website or idea. Learn how to improve by hearing real opinions.
WebGazer.js - Eye tracking on the browser
UX Timeline - See how some of today's best companies have evolved
FOVE - An eye tracking virtual reality headset (pre-launch)
UXReality - UXReality: One App Instead of Lab