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

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

The Ism Book
- A dictionary of philosophies from Peter Saint-André, editor of the Monadnock Review.
- http://www.ismbook.com/ismlist.html

ISCID Encyclopedia of Science and Philosophy
- A free, community developed resource containing information on both science and philosophy.
- http://www.iscid.org/encyclopedia/

Routledge Encyclopedia of Philosophy
- Online edition. Free access to sample contents, full access by subscription.
- http://www.rep.routledge.com

Philosophy Dictionaries and Encyclopedias
- Collection of links to philosophy reference sources.
- http://lgxserver.uniba.it/lei/dionari/dizengl.htm

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

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

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