American Homebrewers Association - An organization to promote and protect American craft beer and the community of brewing enthusiasts.

Beer Judge Certification Program (BJCP) - The purpose of the Beer Judge Certification Program (BJCP) is to promote beer literacy and the appreciation of real beer, and to recognize beer tasting and evaluation skills.

How to Brew - This is a great reference for the seasoned brewer or those new to brewing. John Palmer, a well known homebrewer, published his first book, in its entirety, on the web. Best part - it's completely free! He has a new updated print version of the book that is being published in June, 2006. It's a great reference to have around your home brewery.

Hopunion - This is the web site of the company that supplies almost all of the hops to homebrew retailers. The Hopunion Data Book (in PDF format) is a must-have reference for any homebrewer. It contains information about all of the most commonly used hops by homebrewers.

RealBeer.com - Their motto says it all, "What part of beer don't you understand?" This web site contains info about all things beer. Check it out!