www.hollowtop.com A site maintained by Tomas J. Elpel, author of "Botany In A Day" which has many useful resources for living sustainably. Many free articles, along with hard to find but useful books and videos for sale.
www.kamana.org A four level, independent naturalist training program. A highly recommended way to learn in detail about your bio region.
www.echotech.org A missionary group working to alleviate hunger. Site has many useful, free documents. They also sell books and seeds.
www.worldhungerrelief.org a missionary group near Waco, TX offering many useful workshops, trading post, and research into sustainable living.
www.survivalblog.com run by James Rawles - a really informative site with tons of information on preparing for the collapse of existing systems. Loads of great reference materail and archives of information. Rawles has written several good books the most well-know is The Patriots which has lots of really useful information embedded in the story.
www.thesurvivalpodcast.com run by Jack Spirko. Each day Jack records an hour long program with topics related to self-reliance. Good info in an easy format for those with a commute. Also has a forum with information / discussion on a variety of topics related to preparing for collapse.