MOO Programmer's Quick Reference Sheet
- A cheat sheet of the vocabulary used in MOOs. Cryptic for non-programmers.
- http://cmc.uib.no/moo/docs/shorter/quick-prog-ref.txt

MOO Database Browser
- Command-line and web-based tools to view information in MOO database files which are not executing.
- http://neil.fraser.name/software/moobrowser/

LogMOO's MOO related connectivity projects
- This site provides an informative base of MOO connectivity possibilities and how they can be used and implemented, and contains links to where many can be downloaded from.
- http://ahynes1.homeip.net:8000/moo/connectivity.htm

How to Learn MOO Programming
- Annotated list of tutorials in MOO programming, intended for non-programmers.
- http://cmc.uib.no/moo/

MOO Hardware and Software Requirements
- Information about the requirements to run a MOO.
- http://pythonmoo.co.uk/mirror/du.org/MOO_requirements.html

Agora
- A repository of information regarding the design and development of online multi-user environments
- http://agora.cubik.org/

XYZZYnews: Dungeons, Dragons, Shovels, and Telepathy
- A brief look at MUD design, by Miron Schmidt.
- http://www.xyzzynews.com/xyzzy.13e.html

Art of Building
- Guide, technical tips and resources for MUD building and administration.
- http://aob.mudmagic.com