atheistsunited.org - Advancing the acceptance of atheism, defending the separation of church and state and inspiring a community of non-believers."
atheistalliance.org- "Atheist Alliance International (AAI) is the umbrella organization of atheist groups and individuals around the world committed to promoting and defending reason and the atheist worldview."
positiveatheism.org - Positive Atheism (since 1995) Join the Struggle Against Anti-Atheist Bigotry!