opentrack project home at <http://github.com/opentrack/opentrack>.

Downloads are at <https://github.com/opentrack/opentrack/releases>.

Please first refer to <https://github.com/opentrack/opentrack/wiki> for new user guide, frequent questions, specific tracker/filter documentation.

opentrack is an application dedicated to tracking user's head movements and relaying the information to games and flight simulation software.

Not to be confused with railway planning software <http://opentrack.ch>

For the latest releases visit: <https://github.com/opentrack/opentrack/releases> . You will find the software there as well as the source code.

• PointTracker by Patrick Ruoff, freetrack-like light sources
• Oculus Rift DK1, DK2 and legacy/knockoff versions (Windows only)
• Paper marker support via the ArUco library <https://github.com/rmsalinas/aruco>
• Razer Hydra
• Relaying via UDP from a different computer
• Relaying UDP via FreePIE-specific Android app
• Joystick analog axes (Windows, Linux)
• Windows Phone tracker over opentrack UDP protocol
• Arduino with custom firmware
• Intel RealSense 3D cameras (Windows)

• SimConnect for newer Microsoft Flight Simulator (Windows)
• freetrack implementation (Windows)
• Relaying UDP to another computer
• Virtual joystick output (Linux, Windows)
• Wine freetrack glue protocol (Linux, OSX)
• X-Plane plugin (Linux)
• Tablet-like mouse output (Windows)
• FlightGear Nasal script
• FSUIPC for Microsoft Flight Simulator 2002/2004 (Windows)

opentrack allows for output shaping, filtering, the codebase builds on on Microsoft Windows, Apple OSX, and GNU/Linux.

Don't be afraid to submit an issue/feature request if need arises.

• Stanisław Halik (maintainer)
• Chris Thompson (aka mm0zct, Rift and Razer Hydra author and maintainer)
• Patrick Ruoff (PT tracker author)
• Xavier Hallade (Intel RealSense tracker author and maintainer)
• furax49 (hatire tracker author)
• Michael Welter (contributor)

• uglyDwarf (high CON)
• Andrzej Czarnowski (FreePIE tracker and Google Cardboard assistance, testing)
• Wim Vriend (original codebase author and maintainer)
• Ryan Spicer (OSX tester, contributor)
• Donovan Baarda (filtering/control theory expert)
• Mathijs Groothuis (@MathijsG, dozens of bugs and other issues reported)

Almost all code is licensed under the ISC license. There are very few proprietary dependencies. There is no copyleft code. See individual files for licensing and authorship information.

See WARRANTY.TXT for applying warranty terms (that is, disclaiming possible pre-existing warranty) that are in force unless the software author specifies their own warranty terms.

On Windows, use either mingw-w64 or MS Visual Studio 2015 Update 3/newer. On other platforms use GNU or LLVM. Refer to Visual C++ 2015 build instructions.