PhilPapers (a comprehensive index and bibliography of philosophy maintained by the community of philosophers)

PhilPapers is a comprehensive index and bibliography of philosophy maintained by the community of philosophers. Using advanced trawling techniques and large scale crowdsourcing, we monitor all sources of research content in philosophy, including journals, books, open access archives, and personal pages maintained by academics. We also host the largest open access archive in philosophy. PhilPapers has over 60,000 registered users. http://philpapers.org/