MUDs
- 181
 - How to Learn MOO Programming
 - Annotated list of tutorials in MOO programming, intended for non-programmers.
 
- 182
 - JHCore - Home Page
 - A core database. Features hypertext help, object integration and support for advanced clients. Programming interfaces may be unfamiliar to those accustomed to LambdaCore.
 
- 185
 - MOO Programmer's Quick Reference Sheet
 - A cheat sheet of the vocabulary used in MOOs. Cryptic for non-programmers.
 
- 186
 - VMOO MCP Information
 - Contains the most recent VMoo protocol specification and implementation of VMoo custom packages.
 
- 187
 - WAIF Server Patch
 - Adds WAIF objects, which are stripped objects that cannot have descendants and lack most of the built-in properties that normal objects have.
 
- 189
 - Yib's Pet Rock: a MOO Programming Primer for Beginners
 - A classic by LambaMOO wizard Yib, also available at LambaMOO. Step by step from beginner to fairly advanced work.
 
- 190
 - Mordor
 - Provides information about Mordor derived muds and offers the Isengard source code and documentation.
 
- 191
 - Realms of Hell
 - Mordor derived codebase. The site contains information on accessing the code repository.
 
- 192
 - SocketMUD
 - Barebone public domain Linux codebase available in C, C++, and Java. Site contains the source code, documentation, snippets, and useful links.
 
- 193
 - CGMUD
 - Graphical MUD system ported from AmigaMUD. Has a graphical MUD client written in Java and an efficient server written in C. CGMUD is not derived from any other MUD and has no licensing restrictions.
 
- 194
 - DUMB
 - The 'Diabolically Uncrashable MUD Builder' project aims to provide a server that is first and foremost stable and reliable. The DUMB language is a dialect of Lisp.
 
- 195
 - Monster
 - A multi-player adventure game originally for the VMS. The site contains the original source code and a Linux port in C.
 
- 196
 - The ColdC Project
 - A group of programmers involved in developing in ColdC. ColdC is an object-oriented database language designed for setting up persistent online servers, such as MUDs.
 
