MUDs

Snowplains Website
Entertainment, Games, Online, MUDs, Talkers - Snowplains. A talker run by penguins.
http://snowplains.org/
USS Enterprise NCC-1701-D
Entertainment, Games, Online, MUDs, Talkers - NCC-1701-D - Talker. A talker with a Star Trek theme.
http://ncc.spod.org/
the 'Burbs Webpages.
FREE Text based real time chat server, capable of supporting hundreds of simultaneous conversations, public and private., talkers
http://burbs.org/
Madd's Talker Page
Entertainment, Games, Online, MUDs, Talkers - Madd's Talker Page. A friendly all age talker, with a java chat entrance, a telnet entrance, and a list of over 500 talkers.
http://maddhouse.com/
surfers.org
Entertainment, Games, Online, MUDs, Talkers - Surfers. A talker inhabited by a group of lazy long-haired, tanned layabouts who bum around on the beach all day desperately trying not to do any work.
http://surfers.org
Key: Home
Key is a Java framework for the development of internet based collaborative applications.
https://key.sourceforge.net/
SourceForge: Welcome
Entertainment, Games, Online, MUDs, Server Software - The AIME Project. An open-source MUD engine, designed to provide as much flexibility as possible to the designer creating the online world.
https://aime.sourceforge.net/
DUMB MUD - [Home]
Entertainment, Games, Online, MUDs, Server Software - DUMB MUD. The 'Diabolically Uncrashable MUD Builder' project aims to provide a server that is first and foremost stable and reliable.
https://jlmud.sourceforge.net/
The Cold Project
Entertainment, Games, Online, MUDs, Server Software - The Cold Project. A group of programmers involved in developing in ColdC.
https://cold.org/