A low-level, portable graphics library for .NET
Web IDE in single HTML file
Cross platform SDK
Free 32/64/16-bit multi-platform Pascal and Object Pascal compiler
Simple Kernel Feature Manager
SoloPi Automated Testing Tool
Cinema Enters Game Console
ZED OS the clone of Windows XP
JPHP - an implementation of PHP on Java VM
Open-source, cross-platform, game-development tools
A continuation of the popular Artemis ECS framework
Test project with a 2D platform game developing in Godot 3.1
Build Cross-platform Applications
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
C++ cross plattform functional block programming
3D .NET engine for Windows, Linux, Mac
Android virtual machines running on Openstack Clouds
C-Lesh is a game programming language for 2D games.
LEGADEE (LEarning GAme DEsign Environment)
Opensource Linux Kernel fork for Android Sense
Java based Open source Voxel Engine for RTS games