Arianne is an engine to develop multiplayer online games like Stendhal
JavaScript framework to build game engines, games, emulators and apps
Java Settlers
A complete web framework to create online Fighting Fantasy adventures
Event driven concurrent framework for Python
Um pequeno framework didático de games em Java
Java decentralized cross-platform network multiplayer game engine
A 2D Adventure Game & Engine
C++ game libraries plus server.
Modular Gaming Open Source Persistent Browser Based Game Framework
A multiplatform game engine for interactive fiction experiences
A tool for editing OHRRPGCE RPG files
The classic intelligent role playing game
Multi-Language Wrapper Collection for the Irrlicht Engine
Game framework on top of Python, Panda3D and Twisted