Games similar to SmoothTrack include FaceTrackNoIR, which is free and open source. Other options are Linuxtrack, Opentrack and TrackIR. In total there are four games like SmoothTrack for Windows, Linux and Mac.
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...
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.
Opentrack is an application dedicated to tracking user's head movements and relaying the information to games and flight simulation software.
United Kingdom
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.
United States
