WebGazer.js - Eye tracking on the browser
Screen Resolution Manager - Screen Resolution Manager is one of the robust and streamlined desktop applications that come with an easy way to adjust your screen resolution.
FOVE - An eye tracking virtual reality headset (pre-launch)
EasyRes - EasyRes is a fast screen resolution switcher for Mac OS X with live animated previews.
Jabberwocky - Communicate through text to speech by moving your head
HRC – Hotkey Resolution Changer - If you are looking for a sumptuous desktop application that will overcome every bit of your need to adjust the brightness, resolution, and color contrast of your screen, then Hotkey Resolution Changer can be a smart option for you.