Hrielith
- Contains maps, game information and forums.
- http://www.organelle.org/hrielith/hrieO.html

Mordor MUD
- Source, documentation, Linux and Win32 binaries for the Mordor MUD server. The Mordor Mud system offering source and binaries (Linux/WinXX) with additional FAQs, links, and guides.
- http://mordor.nazgul.com/