A game framework written with osu! in mind.
Game engine supporting many 3D/2D formats and graphic effects
TX Library is a tiny graphics library for Win32 written in C++.
Cinema Enters Game Console
Modern 3D engine and IDE written using C# and C++.
Vivid Engine 2 is an open source 3D Engine coded using C# and C++.
.NET - VISUAL BASIC NVIDIA +ATI PHYSX SLIMDX DIRECTX 9 -ENGINE/WRAPPER
Multimedia asset management and manipulator for Étoilé
A game development kit for Sifteo Cubes.
3D game engine for C and C++
An open source skateboard games engine written in C# and .NET.
3D Web UI, Embed Web and Flash in 3D Games, based on WebKit
Pear3DEngine is a modern and modular 3D development framework
C++ Game programming Framework
An extensible development framework for roleplay games.
A cross-platform OpenGL based lightweight scenegraph library