M*U*L*E Web [in the Internet Archive]
One of the oldest web sites about M.U.L.E.
you want to know about our favorite game in one place.
Vanished at the end of 2012.
One of the oldest and probably the most comprehensive web
site about M.U.L.E.; Nowadays it's a Wiki-based internet community platform for all M.U.L.E. fans.
FANS [in the Internet Archive]
The first M.U.L.E. site in Spanish, located in Argentina.
The history of M.U.L.E. FANS in their We section is
Online M.U.L.E. game running in a Java environment. Can be played locally as well as over the internet. There's a large community of M.U.L.E. players from around the world.
An interesting effort to play authentic Atari M.U.L.E. over the internet.
M.U.L.E. Page [archived]
A tutorial on how to play M.U.L.E. as well as background
information on the Mountain Wampus. There is also a dedicated
M.U.L.E. discussion board there. The web site appears to be
gone since April 2006, though Jack's M.U.L.E.
FORUM is still working.
Log Multi-Media Magazine
The Elegance and Humanity of an Antique Video Game.
review on M.U.L.E. by John Mimbres.