Unity3D Client And C# Server Framework
Utility for viewing ZX Spectrum emulator snapshot files.
A 2D game engine and level editor
MMIM - Unlimited ideas for Mario Maker Levels!
a game library to develop audio games
Java Gamepad API for multiple platforms
Multi-threaded 2D Renderer licensed under the Mozilla Public License
A game development kit for Sifteo Cubes.
C-Lesh is a game programming language for 2D games.
A C++ library for programmers transitioning from "Game Maker Language"
Delphi-like IDE for cross-platform game development
A DirectX 9 C++ game engine