translate

Body Tracking (including eyes) - No contact

moving head, finger, or other body part moves pointer without physical contact
ITU Gaze Tracker setup screen showing an eye centered on a two-axis grid with the pupil colored neon green. Below this picture are tool buttons and to the right is a setup menu for calibrating the pupil location.

An open-source gaze tracking application.

Npointer

A freeware application for gestural and voice computer control. Hand movements are recorded by a webcam and translated into pointer movements. Gestures or voice commands are accepted to emulate the actions that are usually performed with a regular mouse or a touchpad: clicks, double-clicks, drags, and scrolls.

HeadDev head motion detector screen featuring a yellow square around a user's head and a white square around a person's nose.

A facial mouse that allows users to handle the mouse pointer with head movements. It is a standard USB webcam facial mouse that allows full person-computer interaction, without the use of hands, cables, sensors, or any other device that limits or interferes with the user.  

a black computer screen with grey surface mount and a grey back mount to support computer.

A hands-free mouse alternative that allows complete control of a computer by naturally moving the head.