PhiloSophos

Includes philosophy papers, university distance learning programs and college correspondence courses, and a philosophy dictionary.
http://www.philosophos.com/

Think: Philosophy

Philosophy resource for beginners. Contains philosophers, schools of thought, and topics.
http://library.thinkquest.org/C0110297

Larry Hauser's Mostly Modern Philosophical Glossary

Glossary of philosophical terms focusing on modern philosophy.
http://members.aol.com/lshauser2/lexicon.html

Meta-Encyclopedia of Philosophy

A list of philophical terms and names linked to the major encyclopedias and dictionaries of philosophy on the internet.
http://www.ditext.com/encyc/frame.html

Dictionary of Sorts

Philosophical terms mostly from ethics and epistemology, edited by Robert Berman.
http://xavier.xula.edu/~rberman/dict.htm

Philosophy Dictionaries and Encyclopedias

Collection of links to philosophy reference sources.
http://lgxserver.uniba.it/lei/dionari/dizengl.htm

Sophia Project

On-line resource for philosophy students sponsored by the Molloy College Department of Philosophy.
http://www.molloy.edu/academic/philosophy/sophia/sophia_project.htm

Routledge Encyclopedia of Philosophy

Online edition. Free access to sample contents, full access by subscription.
http://www.rep.routledge.com

The Ism Book

A dictionary of philosophies from Peter Saint-André, editor of the Monadnock Review.
http://www.saint-andre.com/ismbook/

Wikipedia: Philosophy

The entrance page to all articles in the philosophy section of the free encyclopedia.
http://www.wikipedia.org/wiki/Philosophy

ISCID Encyclopedia of Science and Philosophy

A free, community developed resource containing information on both science and philosophy.
http://www.iscid.org/encyclopedia/