Web-based eye-, gaze-, face- tracking.
gazefilter.js is a javascript library for gathering webcam eye-tracking data.
Features:
* allows face, facial landmarks, eyes, pupils and gaze tracking;
* works entirely on the client side and supports all modern desktop browsers: Chrome, Edge, Firefox, Safari;
* has built-in tools for calibrating, visualizing and recording.
See homepage for usage guide and API reference.