Official links
International Plato Studies (Collection of Akademia Verlag)
Plato : The Internet Journal of the International Plato Society
Translations of the Corpus Platonicum
Jowett’s translations of Plato’s dialogues, now in the public domain, are accessible via MIT
Bibliography
The Platonic Textual Tradition: A Bibliography
Introductory pages, images, interpretation
Hearst Museum’s Plato (requires Flash)
David James Parsons, Algorythmythica, Act II: In Plato’s Cave
Pascal Szidon, Discours d’Aristophane (video)
Bernard Suzanne, Plato and his Dialogues in French and English
Other sites of interest in Plato studies
John Traill, Athenians
Internet Encyclopedia of Philosophy
Peter J. King, Philosophy around the Web (Oxford, U.K.)
Lexicon of Greek Personal Names
Philosophy Documentation Center
Servizio Web Italiano per la Filosofia (SWIF)
Société d’Études platoniciennes
Stanford Encyclopedia of Philosophy
from the Università di Bologna
Zeitschrift fuer Papyrologie und Epigraphik
Societies
American Philological Association
American Philosophical Association