Native Android app for Habitica
Desktop/Android/HTML5/iOS Java game development framework
Memory Efficient Serialization Library
LÖVE is an awesome 2D game framework for Lua
A simple and easy-to-use library to enjoy videogames programming
stb single-file public domain libraries for C/C++
An MVVM & Databinding framework that can use C# and Lua
Gideros Release version
Simple DirectMedia Layer
Simple and flexible programming language for applications development
A beautiful, easy-to-use and ad-free comic and game client
Orx: Portable Game Engine
the java game and entertainment runtime
Cerberus Content Management System
Delphi : VRCalc++ OOSL & + (Paged List, TextEditor, VRAstroVision ...)
The Free & Popular Community git Server in a Complete Virtual Machine
An Android library that provides views using openGL canvas
A low-level, portable graphics library for .NET
Web IDE in single HTML file
Free 32/64/16-bit multi-platform Pascal and Object Pascal compiler
Cross platform SDK
SoloPi Automated Testing Tool
Cinema Enters Game Console
ZED OS the clone of Windows XP