GazePointer is a Webcam eye tracker software that lets you move mouse cursor using your eyes.
GazePointer is a software that uses an ordinary webcam to estimate the direction of your gaze. This information can then be passed to other applications (e.g https://gazerecorder.com/gazescroll/, https://sourceforge.net/projects/gazeboard/ ). For example, used in conjunction with Dasher, GazePointer allows you to write with your eyes.
if you want to integrate GazePointer with your own solution...