Desktop/Android/HTML5/iOS Java game development framework
Open source HTML5 game framework that offers WebGL and Canvas
One framework for creating powerful cross-platform games
Netcode that provides networking capabilities to GameObject workflows
A simple and easy-to-use library to enjoy videogames programming
Kotlin extensions for the libGDX game framework
Free, cross-platform 2D game engine powered by Haxe and OpenFL
Multi-platform 2D and 3D game engine
CTFs as you need them
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
Open source Old School RuneScape client
Open source library for creative expression on the web, desktop, etc.
A completely free, open-source, 2D game engine
Your collection, your way
the java game and entertainment runtime
Old style soccer game with many exciting features
Open source reimplementation of GTA San Andreas game engine in Unity
XML-based framework for developing games
Cinema Enters Game Console
Program to control vJoy / vXbox Device via keyboard, mouse, joystick.
Build Cross-platform Applications
Asphyre is a cross-platform framework for Delphi and FreePascal.
Open-source, cross-platform, C++ game engine for creating 2D/3D games
Modern AS3 Game Engine
3D .NET engine for Windows, Linux, Mac