PoeMud is an Object Oriented MUD driver designed to work with a MUD library written entirely in Perl. PoeMud's basic socket functionality is provided by the POE module (Perl Object Environment - http://sourceforge.net/projects/poe/).
mssd is a modular socket server written in Perl. It\'s primary purpose is to be used with Macromedia Flash clients using XML, but it provides a plug-in architecture which theoreticaly allows any TCP/IP protocol to be implemented.