Fkmlandunter is a clone of the german card game "Land Unter". It runs over the network using the TCP/IP protocol for data transmission. A console client with ncurses and a QT client written in python and a GUI client using SDL are available.
ErisMUD is a MUD/MOO engine and server written in Python and SQLite and supports many features: it has rooms, chat, NPCs, items, player creation, ANSI colors, etc. Internal commands take care of the development and maintenance.