RateBeer.com - A fun site where beers are rated by the web community
Beercook.com - Beer... it's not just for drinking!
CAMRA - Campaign for Real Ale - dedicated to preserving and promoting Real Ale with chapters in the US.
Beer Festival Calendar - Find an upcoming beer festival just about anywhere in the world!
ProMash - An Excellent Program for developing your own recipes - Download a Free Trial Version
The Real Beer Page - An excellent source of beer related information - lots of links, too!
The Brewery - A great collection of homebrewing information with a great discussion board, the mother of all recipe databases, an on-line recipe calculator, links to lots of homebrewing websites, brewing software, an HBD browser, and other resources.
HBD - One of the premier brewing discussions on the web. Years of searchable archives as well. Check out their competition calendar!
Beer Beer & More Beer - Check out this manufacturer of awesome brewing systems and other toys!
MicroMatic - All about dispensing your beer. Lots of info on kegging along with forums, articles, and other resources
Brew Your Own Magazine - Online version of the magazine with selected articles and recipes.
All About Beer Magazine - Online version of the magazine with selected articles and recipes.
Brewing Techniques - One of the finest brewing publication which is out of print. Lots of online articles from back issues with an easy to use searchable index. Back issues can now be ordered online!
Belgian Beer guide - Just about everything you ever wanted to know about Belgian beer!
Malt Advocate - The online extension of Malt Advocate, the quarterly magazine for beer and whisky enthusiasts
Toronado - San Francisco - A beer bar that every true beer lover MUST visit regularly!
O'Brien's Pub - San Diego - Southern California's answer to the Toronado? Great beer list!
Hollingshead Deli - An outstanding beer spot in Orange - great sandwiches too! Watch for their beer tastings.
Lucky Baldwin's - A pub with a great selection of taps in Pasadena. Home to annual festivals as well.
The Back Abbey - A Great Belgian Beer spot in Claremont. Nice, comfortable atmosphere, awesome food and a sweet selection of Belgians!
BJCP - Website for the Beer Judge Certification Program with information on becoming a BJCP certified judge as well as the BJCP style guidelines.
Association of Brewers - Home of the AHA and other brewing organizations. Go here for the latest AHA competition and other information.
The Hop Page - Hops, hops and more hops. A great collection of hop info and lots of hop related links.
Freshops - Purveyor of fine hops, hop oil & hop rhizomes
White Labs - Popular yeast source with lots of great info including recipes
Wyeast - The original (liquid) yeast source with lots of information and unique strains available
The Poxy Boggards - A drinking group with a singing problem. More songs about beer and brewing in one place than I've ever heard.
Skotrat's - Skotrat's Beer Slut Page has a variety of homebrew info, lot of links, and the best collection of yeast info in one place I've seen yet. The hop info page is great as well!
Beer Church - For a little inspiration try this one out!
Calhomebrewers - All things Fest related