American Philosophical Association (APA) - The American Philosophical Association is the main professional organization for philosophers in the United States.

Episteme Links - Includes thousands of sorted links to philosophy resources on the internet and has several additional features.

Internet Encyclopedia of Philosophy - A non-profit organization publishing scholarly information on key topics of interest in all areas of philosophy

Philosophers Index (Colby only)

The Philosophical Gourmet Report - 04-06 - A ranking of Graduate Philosophy Programs in the English speaking world.

Routledge Encyclopedia of Philosophy

Stanford Encyclopedia of Philosophy