Links

Beer Ratings

BeerAdvocate: An online resource for beer ratings.
RateBeer: Another resource for beer ratings.

Communities

AussieHomeBrewer.com: Australian forums. One of the most active homebrew forums.
HomeBrewTalk: Probably the largest homebrew forum. Also has a decent wiki.
Morebeer's Brew Chat: The forum for the MoreBeer store
The Brewing Network Forum: The forum for the Brewing Network podcast
The Northern Brewer Forum: The forum for the Northern Brewer store

Information

A.J. deLang's Articles: Some great articles. Includes new augmented SRM spreadsheet.
Belgian Beer Escort: A resource/group for Belgian beer.
Brau Kaiser: A site about brew science, especially related to German beers
BYO Grains and Adjuncts Chart: A great resource for info on grains and adjuncts.
Hops Availability Chart: Go here to find out where to buy a specific type of hops.
Realbeer: A good place to learn more about beer.
The Beer Hunter: A site dedicated to the late, great Michael Jackson (the brewer)

Organizations

American Homebrewers Association: The community for homebrewers
BJCP: Go here if you want to be a judge or are looking for the official stlye guidelines.

Podcasts

The Brewing Network: Awesome podcasts and a wonderful community.

Publications

Brew Your Own: The How-To Homebrew Magazine
Zymurgy: The AHA’s magazine. Generally more advanced than BYO.

Stores

Austin Homebrew Supply: A large selection of homebrew supplies
Beer Wine Hobby: The online store of a local Massachusetts brew store
Brewmasters Warehouse: An interesting brew supply shop that has an integrated brew builder.
Freshops: A great place to get hops.
Hops Direct: Another great place to get hops.
Midwest Supplies: One of the better places to get brew supplies online.
MoreBeer: Very good online brew store, especially for equipment.
Northern Brewer: My favorite online brew shop for grains I can’t find elsewhere.
William's Brewing: An online brew supplier.

Tools

BeerSmith: Easy-to-use brewing software for all levels of brewer.
Brewtarget: A simple piece of brewing software. This one is free.
ProMash: Complex brewing software for the advanced brewer.