Open source library for creative expression on the web, desktop, etc.
TX Library is a tiny graphics library for Win32 written in C++.
PyCAPGE - Python Classic Adventure Point and Click Game Engine
Multidocument automation by templates - for sphinx, mkdocs, epydoc ...
3D .NET engine for Windows, Linux, Mac
Gorgon Game Engine (GGE) is a C++ game engine that handles many tasks.
XNA based game engine completely written in c#
a game library to develop audio games
C++ Framework for slot machine games
Pear3DEngine is a modern and modular 3D development framework
An extensible development framework for roleplay games.
Moteur de jeux de rôles descripifs (RP) en PHP
A cross-platform OpenGL based lightweight scenegraph library
Andruill Engine is a GMS (Game Management System) written in PHP.
The next generation mud is an open-source extensible, programmable mud