The A32NX & A380X Project are community driven open source projects
FlightGear Flight Simulator: free open-source multiplatform flight sim
Software to processing and analyze of airborne measurements.
converts between IGES file and text file
Sight Reduction for Air Navigation with Python
Conceptual design of Light Fixed Wing Aircraft
Flights, vessels, satellites and trackers realtime 2D/3D display
YASimCommander is a platform-independent editor for YASIM files.
BlueSky Open Air Traffic sim, (Windows/Linux/Mac, Python 2.x based)
Aircraft aerodynamic database
Aircraft navigator with HSI for TomTom devices