"MUnDoCAAD MUD engine" is an OO MUD engine designed to create MUD worlds where the most important parts of the game are puzzle-solving and world interaction based, and where commands are introduced via sentences (as in Interactive-Fiction games).
Project Angela is a family of ruleset modeling language (RML) interpreter components written in python. It is intended to easily enable RML support for a variety of different simulation engines, game engines and MMO frameworks.
The Fury² Game Creation System is a game development toolkit for the 32-bit Windows platform, designed to allow the creation of complex multimedia software and games with minimal unnecessary effort (i.e. reinventing the wheel.)