FaceControlledMouseQT

Face Controlled Mouse is a free mouse replacement software. You will be able to control your computer without using your hands. Face Controlled Mouse uses a standard web camera to track your face motion and move the mouse pointer accordingly.
It also provides several methods for clicking (dwell or smile). It works on standard PCs equipped with a web camera. No additional hardware is required.
Pointer speed, motion acceleration and smoothness, dwelling time, and many other variables can be adjusted to fit the user's needs.
Supported platforms: Windows (FaceControlledMouseQT.zip), macOS (FaceControlledMouseQTMacOS.zip).
License: Face Controlled Mouse released under the GNU/GPL v3 license.
Authors: Eugene Filimonov (development), Julia Reutskaya (adaptation for children with special needs).
Face Controlled Mouse 2021, PreAbility

Installation notes:

For Windows users, please, run SetupFaceControlledMouse.exe, accept all antivirus warnings. We highly recommend installing ClickSpeak or Optikey Pro as on-screen keyboard.

For macOS users, you can find detailed instructions here.
Please do not unzip into desktop directly, accept all terms (access to folders, universal access, webcam). Ignore "Camera not found" warning then restart.

Contacts:
https://preability.com/face-controlled-mouse/
Discussion, questions, proposals: https://www.facebook.com/filimonov.evg
Phone: +38 (067) 571-21-51