Philosophy 

Dictionaries and Encyclopedias

A Dictionary of Philosophical Terms and Names
An online dictionary of philosophical terms and names. Not every single philosophical term is included in this dictionary, but the site contains literally thousands of entries, along with hyperlinks to additional essays and resources.

Internet Encyclopedia of Philosophy
Dr. James Fieser (general editor) of the University of Tennessee at Martin, together with Dr. Bradley Dowden (philosophy of science and logic editor), has put together this online compendium of information about philosophy.

Stanford Encyclopedia of Philosophy.
An ambitious project which was developed at the Center for the Study of Language and Information at Stanford and conceived primarily as a solution to the problem of updating encyclopedias. Twelve editors and 120 scholars thus far have contributed to the encyclopedia, and the project's leader expects to have most entries completed within five years.

General

PhilosophyWiki
An annotated research index for philosophers

Episteme links: philosophy resources on Internet.
Comprehensive but not overwhelming - one of the best starting points for philosophy resources on the  Internet.

Guide to Philosophy on the Internet
This guide is divided into fourteen major categories, including general guides, topics, e-texts, jobs, associations, bibliographies, mailing lists, newsgroups, and philosophers. Recommended sites are marked with a red star. There are brief annotations for listed sites. Peter Suber, Professor of Philosophy at Earlham College (Richmond, Indiana) maintains this site.

Philosophy around the Web
Philosophy around the Web is a comprehensive page of links to all things philosophical. There are links to philosophy departments all over the world, a large selection of annotated and rated links to individual philosophy pages, "living philosophers" pages, and mostly dead philosophers pages from Apollonius of Tyana to Arthur M. Young. Philosophy around the Web is produced by Dr. Peter J. King, St Hilda's College, Oxford, England.

Philosophy Pages
An excellent starting point for studying Philosophy.

Philosophy Research Base
Annotated directory of thousands of philosophy resources covering the following areas: ancient, medieval, modern, 19th century, 20th century, major issues, feminism, ecofeminism, ecology, queer theory, and American. There's also a directory of useful resources and tools for budding philosophers. The site is searchable and has indexes by subject, major philosophical topic, and by name of philosopher.

Augustine - 354-430
The definitive site for Saint Augustine of Hippo includes English and Latin translations of his works.

Dewey - The Center for Dewey Studies
Much information about the American pragmatist, John Dewey.

Gurdjieff, George
About him, his writings, music, and pupils. Also information on books and bibliographies and a short, annotated, list of third-party links.

William James
Information by and about the American pragmatist, William James.

The Pragmatism Cybrary
The Pragmatism Cybrary features scholarly resources for the study of the philosophy of pragmatism. The site offers links to summaries, academic studies, bibliographies, articles, and homepages focussing on the philosophy and history of pragmatism and important pragmatists, both past and present.

Socrates.
Includes annotated, hyperlinked, online texts of the Euthyphro, Apology, Crito, and Phaedo.  Also has a good selection of annotated links to other Internet resources relating to Socrates.

Other Philosophy Sites

American Philosophical Association
The main professional organization for philosophers in the United States. The site covers regular membership information and in its Resources section includes a good guide to philosophical resources on the net, a database of active women  philosophers, and a list of sites dedicated to philosophers.

American Philosophical Society
The APS "promotes useful knowledge in the science and humanities through excellence in scholarly research, professional meetings, publications, library resources, and community outreach." From the APS home page, visitors can learn about fellowship and grant opportunities, and search a database of its current members.

Meta-sites

NYPL's Best of the Web in Philosophy
Websites collected by the New York Public Library

Librarian's Index to the Internet - Philosophy
See the listed entries or search other terms..

Scout Report
See the listed entries or search other terms in the upper right corner.

Yahoo - Philosophy Links
Sites in this searchable directory are recommended by users, thus it is more inclusive than the meta-sites listed above.