Internet Infidels is the 501c3 that "is dedicated to promoting and defending a naturalistic worldview on the Internet." They use Paul Draper's definition of Naturalism which he states is "the hypothesis that the natural world is a closed system, which means that nothing that is not a part of the natural world affects it." Therefore, no supernatural beings control or exist in the world. The site features a bookstore, library, kiosk,news wire, and blogs. The bookstore gives reviews on books of interest to secular people. The E-resource has audio, podcasts and discussion forums. The Kiosk provides reviews of recently published articles. The site is useful for news and research for your reading.
see: www.infidels.org