- The Secular Web
- Online community of nonbelievers dedicated to the pursuit of knowledge, understanding and tolerance. - Dave's Things To Think About - Dave Stull provides a collection of essays about contemporary theological issues from a sceptical perspective.
- Graveyard of the Gods - Freethinkers site with news, articles, fiction and a discussion board.
- Really Good News - An exploration of the basis to all forms of spirituality from an atheist perspective.
- A Refutation of Religion - An essay in defence of an atheist-agnostic viewpoint, presented in question and answer format.
- AtheistParents.org - Parenting resources including articles, forum, blog and related links.
- The Skeptic's Dictionary: atheism - Definition of atheism and related links.
- About.com: Agnosticism/Atheism - Select, annotated links on topics of interest to atheists and nonbelievers.
- The Freethought Zone - A collection of essays which addresses misconceptions concerning the nature of science and religion and the beliefs of non-theists.
- Secular Coalition for America - National lobby representing the interests of atheists, humanists, agnostics, freethinkers and other nontheistic Americans. Features congressional scorecards, action alerts and media center.
- Freethinkers - News, essays, reviews, and links about religion, science and philosophy.
- Atheism Resources - Recommended reading, cartoons, articles and features.
- Ebon Musings - The Atheism Pages - A collection of essays on atheism and theism.
- True Truths - Series of essays challenging religion. Also includes links and excerpts from a book by Creighton Ainsworth.
- Atheist Campaign - Advertising campaign to raise the profile of atheism through innovative advocacy projects sponsored by the British Humanism Association with the message that there is probably no God.
- Atheist Nation - Features atheist related videos with ratings, news stories with comments, a chat room, forums and links.
- Secular Earth - A portal site for the secular humanist, atheist, agnostic, freethinking, skeptic and scientifically minded communities.
- Capella's Guide to Atheism - Biblical contradictions, list of poor arguments, and reasons why people believe in God.
- Rational Response Squad - An atheist activist group dedicated to promoting critical thinking and obliterating dogma. Features forums, videos, articles and live chat.
- American Freethought - Weblog and podcast serving atheists, agnostics, skeptics, secular humanists and rationalists. With John C. Snider and David Driscoll.
- Officially Atheist - Officially Atheist is a social network that allows users to share information, ideas, learn about various topics, and debate views about a plethora of interesting topics surrounding beliefs. features blogs, forum and web cam chat.
- Bertha Bangers - Sister Bertha Bangers is "America's Craziest Church Granny" lampooning religious insanity.
- Christian Atheism - Christian Atheism combines Christian philosophy with atheism. Features discussions on the moral philosophies of Jesus from a secular humanist perspective.
- Mere Atheism - Features an introduction to atheism with criticisms of the Bible each logically defended and justified.
- Ramblings on Religion - Religion is a superstition, there is no verifiable evidence for the existence of any God or Gods.
- Religion Reality Check - A series of essays explaining theism from the Alliance of Secularists, USA.
- The Heathen Hangout - A fourm and secular community for nontheists. Most members are atheists but not all.
- 2think.org - Book reviews, discussion list, quotes and forum about evolution, science, and religion.
- 4 Atheists - Offers news, links and a list of organizations.