The Galilean Library - The Galilean Library is an expanding collection of essays on the sciences and humanities alongside a discussion forum, weblog and bookstore.
The Ixyl Institute - Contains essays from several authors on cognitive science, contemporary politics, and the theory of both disciplines.
Malaspina Great Books - Research bibliographies, books, art, music, science, theater, and cinema with links to 1,100 interdisciplinary entries compiled by Russell McNeil.
A Miniature Library of Philosophy - Marxists.org collection of texts from the history of philosophy tracing the development of ideas on the relation between consciousness and matter; includes 120 philosophers over the course of 400 years.
Online Archives of PSA'98 - Conference resources from the Sixteenth Biennial Meeting of the Philosophy of Science Association.
The Paideia Project Online: Archive Sections - Proceedings of the 20th World Congress of Philosophy. The main index for the archive of contributed papers; ongoing contributions.
Philosophy of Technology Essays - Contains philosophical essays on various topics within the philosophy of technology by main philosophers.
Philosophy online - A listing by period, place, school and philosophers of philosophical on-line texts. Includes links to major libraries and e-text databases.