Open source library for creative expression on the web, desktop, etc.
CTFs as you need them
Self-hosted CMS platform based on the Laravel PHP Framework
Gideros Release version
Arianne is an engine to develop multiplayer online games like Stendhal
PyCAPGE - Python Classic Adventure Point and Click Game Engine
Java Settlers
Source code of the chapters of the book 3D Game Development with LWJGL
Multidocument automation by templates - for sphinx, mkdocs, epydoc ...
Java decentralized cross-platform network multiplayer game engine
Multimedia asset management and manipulator for Étoilé
a game library to develop audio games
C++ Framework for slot machine games
A multiplatform game engine for interactive fiction experiences
Pear3DEngine is a modern and modular 3D development framework
An extensible development framework for roleplay games.
DiaT is a Textadventure