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- https://www.flightgear.org/
- 2
- https://plib.sourceforge.net/
- 3
- https://www.linuxbase.org/
- 4
- https://oss.sgi.com/projects/ogl-sample/ABI/
- 5
- https://www.gltron.org/
- 6
- https://www.simgear.org/
- 7
- https://jsbsim.sourceforge.net/
- 8
- https://opengc.sourceforge.net/
- 9
- https://www.terragear.org/
- 10
- https://atlas.sourceforge.net/
- 11
- https://users.aber.ac.uk/dpb/aerobots.html
- 12
- https://www.wolf-aviation.org/
- 13
- https://www.spaceisland.de/
- 14
- https://www.aae.uiuc.edu/sis/mainpapers.html
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- https://fgatd.sourceforge.net/
alex.perry@flightgear.org