Solar2D Game Engine main repository (ex Corona SDK)
A network server for the flightgear simulator
A free transportation simulator game
Combat Flight Simulator for LINUX. WW2. Network and VOIP. Open-source.
Opengate is a Jumpgate remake
Online Flight Simulation Network Client for X-Plane
a very lightweight advanced terrain-rendering and 3D map rendering sys
evolution for vegastrike SpaceSim/Combat/Trade game
SuperWikia: The Runtime/Realtime Environment for Codesmiths