WebGazer.js - Eye tracking on the browser
Zukitwo - Zukitwo is a Gnome Shell and GTK theme that currently works on Gnome Shell 3.14 and the latest version of GTK.
FOVE - An eye tracking virtual reality headset (pre-launch)
Dark Language - Holistic language, editor, and infra for building backends
Breaks For Eyes - A Mac app to get rid of eye strain, dry eyes and fatigue
adapta-gtk-theme - An adaptive Gtk+ theme based on Material Design Guidelines - adapta-project/adapta-gtk-theme