C++ lightweight cross-platform game engine
The smallest header-only GUI library(4 KLOC) for all platforms
A machine code manipulation library for Intel 64 and IA-32.
Easy fine console input/output for java
486 lines of C++: old-school FPS in a weekend
Karel - 3D language interpreter
C/C++ , PHP, PYTHON, 3D ENGINES, CHROME NATIVE CLIENT
scriptable game engine with built-in support for 2D graphics and sound
Library for working with 3D rotations in C++
Highly customizable library for procedural world generation
Automatically kill Windows processes using search criteria.
Atari 2600, C64, Python, 3D engines and rock'n roll
Realtime 3D engine for game development
Perl bindings to the Modern OpenGL API
A C++ implementation of a nonlinear 3D IMU fusion algorithm.
Highly portable Gameboy Color emulator
An Open source Analysis and SImulation Toolbox for Fuel Cells
a very lightweight advanced terrain-rendering and 3D map rendering sys
Free-roaming 3D racing game featuring advanced terrain rendering
Cross-platform C framework very compact libraries and tools.
2D game creation software