FaceTrackNoIR - FaceTrackNoIR is only available for Windows-based PC's (sorry, we have to start somewhere) and...
TagSpaces - TagSpaces is an open source platform for personal data management. With TagSpaces you can manage and organize the files on your laptop, tablet or smart phone.
Eyeware Beam - Turn your phone into an eye & head tracker!
TagFlow - TagFlow is an intelligent files manager that use tags for organize your documents.
FreeTrack - Head tracking software for webcams, Nintendo Wii Remotes and NaturalPoint cameras (TrackIR...
Tabbles - Tabbles use tags to organize and find files along with your colleagues.