THE PHILOSOPHER'S MAGAZINE: home of TPM, good site with games, articles and interesting + useful resources.
INTERNET ENCYCLOPEDIA OF PHILOSOPHY: very useful encyclopedia, bit limited in some areas but on the whole contains some very good entries on most philosophers and terms.
EXPLORING PLATO'S DIALOGUES: online texts of most of plato's dialogues, laid out fairly logically.
PHILOSOPHY NOW: online home of one of the few good philosophy magazines available in Britain. contains interesting archive of past articles. Writen in an un-technical, informal style.
THE OPEN DIRECTORY: "the largest, most comprehensive human-edited directory of the web" provides the core directory services for google and lycos amongst others.
THE WINDOW: information about quite a few philosophers, some good links within articles to other sites. the main feature is the facilities for searching
MAGAZINES
ONLINE TEXTS
ENCYCLOPEDIAS / SEARCH ENGINES
UNIVERSITIES
Durham university philosophy department
Bristol university philosophy department
Edinburgh university philosophy department
Kings college london philosophy department
Leeds university philosophy department
Glasgow university philosophy department
Sheffield university philosophy department
York university philosophy department
Oxford university philosophy department
Cambridge university philosophy department
St Andrews university philosophy department
Reading university philosophy department
LSE philosophy department
UCL philosophy department
OTHERS
the matrix website: philosophy, literature, and more inspired by the films ( some featured on this site)