FlightGear Flight Simulator: free open-source multiplatform flight sim
FSKneeboard adds a helpful ingame panel to your flight simulator
JavaScript clone of the classic arcade game Raiden-2
a webgl Cesium 3D flight simulator
Python binding to the libindi library
Simulated Airline Travel Solution Provider Library
Travel Market Simulator
SuperWikia: The Runtime/Realtime Environment for Codesmiths