Sacred Texts Online: free online versions of hundreds of religious and mythological texts, from Apocrypha to Zoroaster. Includes King James, Jewish Publication Society, Hebrew, Greek, and Latin bibles. This is a remarkable and well-rounded resource and should be your first stop for religious texts online. 

The Unbound Bible: from Biola University, an evangelical Christian university in La Mirada, this site offers dozens of bible versions, accessible by book, chapter, and verse online or downloadable in full.

Gutenberg Bibles: Images of each page of the Gutenberg bibles owned by the British Museum, the University of Texas at Austin, and the Gottengen State and University Library are online.

Navigating the Bible: designed for bar/bat mitzvah study, this site includes audio files of every verse of the Torah sung by a cantor.

Saints: the index by name at catholic.org and the patron saints index at catholic-fourm.com both offer information on thousands of saints. The patron saints index is especially useful for finding a saint connected to a particular topic or day.

Yahoo's Religion and Spirituality Directory for the Los Angeles Area: Locate the institution of your choice.

Secular Web: resources on the history and theory of non-religious worldviews.

Mythology: the classic Bullfinch's Mythology is available online, as is Frazier's comparative study The Golden Bough. For quick lookups, Encyclopedia Mythica is very useful, while the University of Victoria's Classical Myth: The Ancient Sources gives easy access to the original Greek texts and images. 

The Harvard Classics: Almost all of this fifty-volume set is now available free online. Philosophy and religion selections include works by: Plato, Epictetus, Marcus Aurelius,. Francis Bacon, John Milton, Ralph Waldo Emerson, St. Augustine, Thomas à Kempis, Descartes, Voltaire, Rousseau, Hobbes, Luther, Berkeley, Hume, Pascal, and others.

Stanford Encyclopedia of Philosophy: a work in progress, the completed parts of this free online source are very serious and quite good.

Philosophy and Religion at the Online Books Page: A wealth of philosophy and religion material is out of copyright and on the Web, including the major works of Western philosophy up to the early 20th century. See also the Ethics and Aesthetics and Classical Languages and Literature sections. This site, by the University of Pennsylvania library, covers all topics and can be searched by author, subject, or title from its home page. 

Contemporary Philosophy, Critical Theory, and Postmodern Thought: a substantial portal assembled by a University of Colorado instructor. Links are mostly to secondary sources and range from introductory to advanced.