english deutsch
K-man's Mugen
http://k-man2001.tripod.com/KmansMugen/
Provides character information and artwork.
Mugen Fury
http://www.mugenfury.com/
Includes characters, stages, tutorials, and games.
Mugenation
http://www.mugenation.com/
Offers news, characters, forums, and game information.
Simple MUGEN 2004
http://www.geocities.com/simple_mugen_2004/index.html
Contains information and projects.