FightingDirectory.info is a great resource containing links related to Chinese martial arts, Korean martial arts, Japanese martial arts, martial arts services, aikido, karate, taekwando, muay thai, chung moo doe, tang soo do and more.
HealthWorld Online Qigong and Taiji
In depth resource on qigong and taiji (chi kung and tai chi). Articles on guidelines for practice, choosing your path, practices, online forums.
http://www.healthy.net/clinic/therapy/qigongandtaiji/
An online version of the newsletter published by Mike Sigman from July 1993 to May 1994 offering commentary and articles related to martial arts using 'internal strength'. (May 1, 1994)