The Freedom From Religion Foundation (FFRF) is the nation's largest freethought association with more than 40,000 freethinkers (atheists, agnostics and skeptics). FFRF's mission is to promote the constitutional principle of separation of state and church, and to educate the public on matters relating to nontheism.
FFRF is a nonprofit, taxexempt, educational organization under Internal Revenue Code 501(c)(3).