The Orbiter Space Simulator (http://orbit.medphys.ucl.ac.uk/) has been one of the major realistic-ish space simulators of the decade.
Development has slowed down in the last years due to the obligations of its sole author, so seeing it be open-sourced with a free license (MIT) is a great opportunity to rekindle its development! It seems that the first priorities would be to upgrade the code to 64-bits and transition to a more recent version of DirectX.
Development has slowed down in the last years due to the obligations of its sole author, so seeing it be open-sourced with a free license (MIT) is a great opportunity to rekindle its development! It seems that the first priorities would be to upgrade the code to 64-bits and transition to a more recent version of DirectX.