6DOF head-tracking for simulation and gamingFreeTrack is a freeware 6DOF head-tracking software. It simulates head movements in your games and simulators, to increase pleasure, realism and immersion. It makes it possible to control your point of view in a video game or simulator, with small head movements. You need 3 IR LEDs mounted on your head and a webcam.

  • 6 Degrees of Freedom (X, Y, Z, Yaw, Roll, Pitch)
  • 3 LEDs and diffuser lenses
  • 1 webcam or Nintendo Wiimote
  • 100 Hz refresh rate
  • Hands-free point of view control
  • Freeware
Build your Own 

Read the instructions on the official site.