Open source library for creative expression on the web, desktop, etc.
A game framework written with osu! in mind.
8-bit Graphical API for Java
TurboSphere is an easy to learn and powerful JS based game engine.
A cross-platform OpenGL based lightweight scenegraph library
Cross-platform 2D game engine
Read and write PGN format and test moves for legality.
A cross-platform Java 2D graphics library using OpenGL.