WebGazer.js - Eye tracking on the browser
Qustodio - Free parental control software. Monitor and track your child's online activity. Block dangerous sites and protect kids from online bullying.
Jabberwocky - Communicate through text to speech by moving your head
CurrentWare BrowseControl - BrowseControl web filtering software blocks websites based on URLs and categories. Policies can be customized for each user, department, or OU. Includes other features such as an app blocker, port filter, and download/upload blocker.
Eye Yoga - Improve eyesight, relieve eye strain and prevent presbyopia.
MobileFence - Parental controls for Android devices.