Various atheism-related writings.
Really good stuff
The Tale of the Twelve Officers
Mark I. Vuletic's brilliant parable about the problem of evil. Everybody should read it.
Bizarre quotes from theists.
My favorites from alt.atheism's Atheist Quote of the Month
Some of the best postings from atheist newsgroups
Fun (and often informative) postings from atheist newsgroups
The Emptiness of Theology, Snake Oil and Holy Water, The "know-nothings", the "know-alls", and the "no-contests"
A few rants about science vs religion, by Richard Dawkins.
Non-essential but good things
A Look into the World of the Gospels
"There is abundant evidence that these were times replete with kooks and quacks of all varieties, from sincere lunatics to ingenious frauds, even innocent men mistaken for divine, and there was no end to the fools and loons who would follow and praise them."
The God simulator
Your chance to be God.
Ebon Musings: Atheism
This site contains several good essays about atheism (although I don't agree with everything he says).
Why won't God heal amputees?
A site dedicated to the question of why God only seems to answer health-related prayers in those cases where the results can be explained away.
The Pagan Prattle
Weird fundamentalist-related news
Was Hitler Anti-Christian?
While Hitler often emphasized his Christianity in public, he is also quoted as having been anti-Christian in private — but on a closer reading, those quotes seem to be fabrications.
Common arguments for God's existence
As paraphrased by atheists
A Christian site, for good measure
Answered Objections to Christianity
Because you should never listen to just one side of the story.
And, you know, maybe we should all try to get along
The God Fuse
"Ten Things Christians and Atheists Can - and Must - Agree On"