The Irrlicht Engine is an open source high performance realtime 3D engine written and usable in C++ and also available for .NET languages. It is completely cross-platform, using D3D, OpenGL and its own software renderer, and has all of the state-of-the-art features which can be found in commercial 3d engines.
Mostly source code - "Software development kit required to develop applications with the Irrlicht engine. Included is the documentation, the source code and a pre-compiled version of the engine, 19 tutorials, some useful tools, exporters, an interactive demo which shows the capabilities of the engine and more."
not very popular is it?
Irrlicht is very popular, are you an idiot? It's a fantastic engine...
Its only got 85 downloads. That dosent exactly classify as popular lol.
Sweet!
This was available on the original SourceForge site already. You could have just gone there and taken it :P
AMAZING