Unschooling.com (sponsored by Home Education Magazine)
Essays, resources, and a large email list.
Peter Kowalke
Extensive site by a grown homeschooler, with essays, interviews, the Home Education Magazine column "Unschooler in College," and more.
Believe in Children
This site by grown unschooler Britta Reida includes a wonderful essay on leaving school and becoming an unschooler (click on the "Education" link).
Christy's Garden
Includes some excellent writing on homeschooling from an older homeschoolers' point of view, including a long and thoughtful response to the "socialization" question.
HomeSchool Association of California
Explanation of CA homeschool laws, frequently asked questions (see, "Why homeschool?"), conference info, county contacts, etc.
Summerhill School
The unschooling school!
The Libertarian Unschooling Page
Essays, quotes, and an enormous collection of links.
Family Unschoolers Network (F.U.N.) Bookstore
New home of what used to be John Holt's Bookstore--books by, for, and about unschoolers.
Check out my guestbooks for a few more links.