Altered Perception - Good mods and other mod related downloads.
The Mod Archive - Tons of mods!!! but not all are of decent quality.
The Weekly Hitchart - Top notch mods, a site worth checkin out.
Trax in Space - Great place for all tracking artist.
MCMC - Most creative mod compo. Held by Zan himself.
Impulse Tracker hompage - Espionage's favorte tracker(as of now).
Modplug home-page - Best mod player, Win95 tracker, and plugin for the web. A MUST VISIT!!!
Sound Wave's sample collection - Juno samples, Waldorf samples, Oberheim samples, and many more. Also check out the link section for more samples.