A list of sites where code for many mud servers can be found.
Largest mud archive in the world. Right here at ftp://sourcery.dyndns.org/archive
FTP archives at Northeastern University. Contains: Circle, Avios, CoolMud?, ColdMud?, Jeamland, Nuts, Morder, Ogham, TinyMuse?, DGD, Amylaar, CD, LPC4, LPmud, MudOS?, Urimud
The ftp archive can be found at ftp://ftp.ccs.neu.edu/pub/mud.
Code repository and discussion site. - http://www.mudbytes.net/index.php?a=files