FaceTrackNoIR - FaceTrackNoIR is only available for Windows-based PC's (sorry, we have to start somewhere) and...
MasterpieceVR - Powerful VR sculpting & painting tool
FreeTrack - Head tracking software for webcams, Nintendo Wii Remotes and NaturalPoint cameras (TrackIR...
Oculus Medium - Sculpt, model and paint in virtual reality on a 3D canvas.
Eyeware Beam - Turn your phone into an eye & head tracker!
A-Painter - Paint in VR in your Browser