American Philosophical Association
"The American Philosophical Association is the main professional organization for philosophers in the United States. Founded in 1900, its mission is to promote the exchange of ideas among philosophers, to encourage creative and scholarly activity in philosophy, to facilitate the professional work and teaching of philosophers, and to represent philosophy as a discipline." Resources include programs of upcoming meetings, membership lists, job listings, email addresses of members, etc.

Society for Phenomenology and Existential Philosophy
"The Society for Phenomenology and Existential Philosophy (SPEP), is a professional organization devoted to supporting philosophy inspired by Continental European traditions. SPEP is also actively committed to philosophical pluralism. It has become the second largest American philosophical society and accommodates such traditions as critical theory, existentialism, feminism, German Idealism, hermeneutics, post-structuralism and phenomenology." Includes graduate school information, links to resources, etc.

International Association for Philosophy and Literature
"The International Association for Philosophy and Literature is dedicated to the exchange of ideas and scholarly research within the humanities. Founded to provide a context for the interplay of Philosophy, Literary Theory, and Cultural / Textual Studies, the Association brings together scholars from the full range of disciplines concerned with philosophical, historical, critical, and theoretical issues. With its focus on interdisciplinary topics and concerns, the IAPL, since its founding in the mid-1970s, has represented and participated in many of the most vital and exciting developments at the intersection of philosophy and literature. The association's annual meetings provide a unique opportunity for dialogue and the exchange of ideas, the articulation of contemporary themes and topics, the exploration of various expressive arts, and the production of new theoretical discourses."

Friedrich Nietzsche Society (England)
Developed by Duncan Large (German, Swansea), this site has links to most Nietzsche resources (including online texts in English and German) on the web in addition to information about the Society.