Runtastic - Runtastic offers a series of fitness apps that can be used to track your running, walking, hiking, and cycling, as well as many other fitness routines. Read more about Runtastic.

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

TrainAsONE - AI-powered app that uses your data to create your continuously updated training plan – whatever...

linux-track - Linuxtrack is a software bringing headtracking to Linux and Mac OS X.

Turtle Sport - Turtle Sport is an open source software developed to communicate

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