For many years working on my game engine. FIrst 2D now 3D. Scripting engine with handwritten lexer/parser and LLVM as backend. Imports blender export, xml file (xml file exporter for blender written in python (broken now due to new blender version)) Uses expat for XML reading. User antlr for config reading. OpenAL for sound. DirectX for 3D graphics. freetype for glyphs (text).