A game engine with an emphasis on real-time cutting-edge solutions
starrydb is game server engine
3D .NET engine for Windows, Linux, Mac
Library for creating turn-based games with simultaneous moves.
A 3D, fully concurrent game engine
A truly extensible cross-platform game engine
C/C++ Programing with ALLEGRO 4.2.2 - Win32/64 - LINUX - MACOSX