Atheists and Freethinkers

American Atheists
http://www.atheists.org/

Atheist Alliance International http://www.atheistalliance.org/

Americans United: for the separation of church and state http://www.au.org/site/PageServer

The Council for Secular Humanism http://www.secularhumanism.org/

Freedom From Religion Foundation http://www.ffrf.org/

The Secular Web
http://www.infidels.org/

Richard Dawkins
http://richarddawkins.net/

Sam Harris
http://www.samharris.org/

Atheists and Agnostics Group of Rossmoor
http://www.rossmooratheists.info/