About time we had a sticky for links that users of this forum may find interesting. Links don't have to be specifically atheist/agnostic related, but should have some relevance to the topics that crop up here. It might also be best to keep links to news articles or humour pages (with the exception of the Lego Bible) to individual threads.
Go forth and add links...
To get the ball rolling...
Wiki on Atheism
So you think you know what atheism is?
The Irish Atheists
Does what it says on the tin.
"A community where like minded people can share the experience of being non-religious in Ireland."
The Brights Network
Unfortunately named proactive movement looking for individuals "whose worldview is naturalistic free from supernatural and mystical elements".
Religious Tolerance: http://www.religioustolerance.org/
Even-handed discussion of religions
Respectful Insolence: http://scienceblogs.com/insolence/
A surgeon's science blog
Daylight Atheism: http://www.daylightatheism.org/
Prolific atheist writer writes prolifically on atheism
Freedom from Religion Foundation: http://www.ffrf.org/ (see the Atheist Cookbook )
Positive Atheism: http://www.positiveatheism.org/
History of atheist philosophy. Contains an excellent quotations section.
Action Skeptics: http://actionskeptics.blogspot.com/
Er, the continuity skeptics. "Annoying stupid people, one woo at a time."
This one is brilliant for all you sceptics:
Here's some on nontheism. Nontheism is the absence of belief in both the existence and non-existence of a deity:
Antitheism is a direct opposition to theism. Here is more info on it:
Say NO to religion: http://www.antitheism.net/ (VERY interesting)
I hope these links have been benefitial to some.
An interesting website exploring many things regarding science, god and the universe.
Oh my, that website is awful. Amateurish sophistries, nothing more.