Ratebeer: A beer rating site with members from all over the world. Reviews of tens of thousands of beers.
Bov's Beers: Bov is a beer rater with a lot of dedication and passion. Has rated a great deal of beers on his homepage
Beers of Europe: A large selection of beers from most of Europe, and a couple from Asia, Africa, and America.
Beer Me!: The most complete source of brewery information on the Internet.
Ohh... My Head: An expert in beer rating. Has tasted and reviewed beers from almost the entire world.
Haus der 131 biere: A German web site with a number of beers from all over the world. (German version only)
Beeradvocate: An alternative to ratebeer. Includes information about beer stores worldwide.
Jan's Beer Pages: Excellent web site by a collector who really cares for other collectors. Includes a big forum where fellow collectors can talk and exchange
Ølbutikken: Not a online beer store, but one of the founders of the store, is the top rater "Bierkönig". I have done a lot of trades with this guy. Check out the web site, there are a lot of unique and rare beers here! (Danish version only)
Danske Ølentusiaster: A Danish beer site with all the information you need regarding beers. (Danish version only)
Lindsay's Beer Pages: Here's another collector with lots of beer ratings.
Tønden: Online beer store with a fine variety of beers from around the world. The site is in Danish, and the shipment is only within the national borders.