ZED OS the clone of Windows XP
JPHP - an implementation of PHP on Java VM
Free and Open Game Programming Language for Windows and GNU/Linux
Open-source, cross-platform, game-development tools
Buwlink is a remote control for Windows with your Android device.
A continuation of the popular Artemis ECS framework
Test project with a 2D platform game developing in Godot 3.1
Build Cross-platform Applications
C/C++ , PHP, PYTHON, 3D ENGINES, CHROME NATIVE CLIENT
Asphyre is a cross-platform framework for Delphi and FreePascal.
A cross-platform interpreter for many point-and-click adventure games
A JavaScript game library to quickly develop board games for the web
Realtime 3D engine for game development
3D .NET engine for Windows, Linux, Mac
BxEngine For Marmalade And QT
The solution to all your problems
C-Lesh is a game programming language for 2D games.
LEGADEE (LEarning GAme DEsign Environment)
Java based Open source Voxel Engine for RTS games