TrackIR - TrackIR adds depth to the PC gaming experience by enabling players to take control of the in-game view.

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.

FaceTrackNoIR - FaceTrackNoIR is only available for Windows-based PC's (sorry, we have to start somewhere) and...

Tabbles - Tabbles use tags to organize and find files along with your colleagues.

VSeeFace - VSeeFace is a free, highly configurable face and hand tracking VRM and VSFAvatar avatar puppeteering program for virtual youtubers with a focus on robust tracking and high image quality

allTags - allTags is a free, tag based file management application.