A lightweight online game framework
SRCP system daemon
Java library to BiDiB (see http://www.bidib.org/)
A console/ncurses chess engine frontend and PGN editor.
Open-DIS implements the IEEE DIS protocol in multiple languages.
Provides a full suite of clients and servers for virtual worlds.
GGMud is a cross platform modern MUD client.
icsdrone is an interface between a chess server and a chess engine
Source for the Flash-based Glitch client
Controlling Model Railroad via Networks
A Java chess engine using xboard protocol