EpistemeLinks.com Links in a wide variety of categories relating to philosophy, including reference sources, books & publishing, and academics. Also includes job listings and famous philosophical quotations.
Ethics Updates Provide resources and updates on current literature, both popular and professional, that relates to ethics. For both instructors and students.
Stanford Encyclopedia of Philosophy Maintained and published by Stanford University's Metaphysical Research Lab, this website has detailed and well indexed articles about philosophers, movements, and ideas.