OpenSource mud client designed to work on both windows,linux and MAC OS X. Written in Gtk+ and C with SQLLite, Python, MSP, MXP, HTML, and ZMP support. Provides plugin support, automapper functionality, triggers, aliases and macros.
PyGCS is a very stripped down MUD-like chat-server written entirely in Python. It has a single "room" and no large database to keep in memory and on disk. PyGCS has no embedded programming language.
Python-Talk is a Python implementation of a talker environment, such as Elsewhere-Too (aka ewtoo). It is a new and innovative style of talker, with easy to understand code.