SmoothTrack is described as '2.0 uses the head and eye tracking AR capabilities of your phone to provide the simplest and best head tracker for 6 degrees-of-freedom head movements in your sim games' and is an game in the games category. There are four games similar to SmoothTrack for Windows, Linux and Mac. The best SmoothTrack alternative is FaceTrackNoIR, which is both free and Open Source. Other SmoothTrack like games are Opentrack, Linuxtrack and TrackIR.
FaceTrackNoIR is only available for Windows-based PC's (sorry, we have to start somewhere) and has been succesfully used on XP, Vista and Windows 7. The program was written in (Visual Studio) C++ and uses the (non-commercial) faceAPI from SeeingMachines to retrieve the...
Opentrack is an application dedicated to tracking user's head movements and relaying the information to games and flight simulation software.
Provides head tracking on Linux and Mac OS X with support for webcams, wiimotes, and TrackIR 2–5, enabling real-time motion capture for gaming and simulation, configurable calibration, open-source development, and compatibility with various simulation titles.
Head tracking software for TrackIR and SmartNav cameras that provides game profiles, calibration curves, hotkey controls and a 3D display for testing. Works with TrackIR Enhanced games as well as specified mouse, keyboard and joystick emulation software.
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