ISCID Encyclopedia of Science and Philosophy - http://xavier.xula.edu/~rberman/dict.htm A free, community developed resource containing information on both science and philosophy.
Meta-Encyclopedia of Philosophy - http://xavier.xula.edu/~rberman/dict.htm A list of philosophical terms and names linked to the major encyclopedias and dictionaries of philosophy on the internet.
PhiloSophos - http://xavier.xula.edu/~rberman/dict.htm Includes philosophy papers, university distance learning programs and college correspondence courses, and a philosophy dictionary.
The Philosophical Lexicon - http://www.blackwellpublishing.com/lexicon/ A light-hearted collection of newly coined philosophical terms and phrases with humorous definitions edited by Daniel Dennet.
Status Code: 302 - Location: http://www.philosophicallexicon.com/
Think: Philosophy - http://www.blackwellpublishing.com/lexicon/ Philosophy resource for beginners. Contains philosophers, schools of thought, and topics.
Wikipedia: Philosophy - http://www.blackwellpublishing.com/lexicon/ The entrance page to all articles in the philosophy section of the free encyclopedia.