Make OpenStreetMap vector tiles without the stack
FlightGear Flight Simulator: free open-source multiplatform flight sim
itom - an Open Source Measurement, Automation and Evaluation Software
3D modeler, 3D game maker, 3D demo maker
HARFANG 3D source code public repository
Vivid Engine 2 is an open source 3D Engine coded using C# and C++.
Karaoke effects creation tool with ASS and Lua.
A small Game Engine project.