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| Software | Windows 7 support | Advantages over FreeTrack | |----------|------------------|---------------------------| | | Full (32/64-bit) | Active development, better filtering, supports multiple input devices, native 64-bit | | FaceTrackNoIR | Partial (last version 1.7) | Works without LEDs (facial tracking) but higher CPU | | TrackIR (proprietary) | Full | Best precision, but expensive and not free |
1. Introduction FreeTrack is a free, open-source motion tracking application designed for PC simulators (flight, racing, space sims). It uses a standard webcam and a lightweight head-mounted model (e.g., three-point LED clip or cap with reflective dots) to provide 6-degree-of-freedom (6DOF) head tracking. It emerged as a low-cost alternative to commercial products like TrackIR.