List of Free code Game API
BukkitBridge is a plugin for the Spout voxel game platform that bridges Spout API and Bukkit API to allow Bukkit plugins to be used.
A Game Engine based on the JavaFX Canvas API.
game api j2me
Game API for J2ME.
Game Jolt Java Game API
Game Jolt Game API library for Java.
The Web API that exposes perfect game information computed by the Gamesman solvers.
Java API for creating applications for Logitech's LCD gaming keyboards such as the G19 and G15.
Push Board Game Web Application using Comet (aka HTTP Server Push) Technology Stack: HTML 5 Canvas, Java Script jQuery, Java EE, Java Persistence API (JPA).