Ex-Christian Org: A site containing the testimonies of former Christians. Search enabled by location, reason, sect, and currently held beliefs.
Exchristian.Net: Extensive site with many articles and testimonies, open discussion forums and links.
Losing My Religion: A support site for those leaving Christianity by two ex-Christians.
No Longer a Christian: Essay by Karen Horst Cobb. Argues that if being a Christian means being lumped in with the US Religious Right, she'd rather be a christian (with a little c) and do what Jesus would do.
Quotes from ex-Christians: A page of quotes from ex-Christians concerning deconversion and other related topics.
The EX-TIAN (ex-Christian) Mailing List: A mailing list on infidels.org offering support for ex-Christians and those wanting to leave the religion.
The Highway.com: In a collection of essays, Mark R. Braun, a Christian no longer affiliated with Christianity, comments against intolerance, exclusivism, and the agenda of the religious right.
Walk Away from Fundamentalism: This is a discussion and support forum for those who have left, or are in the process of leaving, fundamentalism.