The APA Guide to Graduate Programs in Philosophy - The American Philosophical Association's guide to Master's and PhD programs in the US and Canada.
PhilWiki.net - Philosophy Wikis for Prospective & Current Graduate Students. Contains unranked descriptions of PhD programs in a number of specialty areas.
The Pluralist's Guide to Philosophy - Guide to programs in American philosophy, continental philosophy, critical philosophy of race and ethnicity, feminist philosophy, and GLBT Studies.
Society for Phenomenology and Existential Philosophy - List of self-descriptions of philosophy departments interested in, supportive of, or specializing in continental philosophy.
The Philosophical Gourmet Report - Brian Leiter's ranking of graduate programs in philosophy in the English-speaking World
A User's Guide to Philosophy without Rankings - Reflection and resources concerning the controversy over commonly used program ranking reports, maintained by Prof. Mitchell Aboulafia (Manhattan College).