Homebrewer's Digest
Deja.com forum: rec.crafts.brewing: A resource for endless brewing discussions.
A great program for homebrewers. It does everything except pitch your yeast for you.
The Real Beer Page
Association of Brewers
Wyeast Laboratories
Brew Your Own magazine
HopTech
Northern Brewer
Happy Dog Brewing
Beer and Wine Hobby
Williams Brewing
The Grape and Granary
U-Brew
Brewers Resource
Homebrew Heaven
Heart's Homebrew Supply
Homebrew Adventures