Fonetiks.org: An online language laboratory offering a phonologically complete guide to the pronunciation of seven varieties of English and other foreign languages.
International Phonetic Association (IPA): Official website of the
International Phonetic Association (IPA). The aim of the IPA is to promote
the scientific study of phonetics and the various practical applications
of that science. It provides a notational standard for the phonetic
representation of all languages, the International Phonetic Alphabet.
The latest version of the IPA Alphabet was published in 2005.
IPA (The International Phonetic Association): International phonetic alphabet. Also links and information about phonetics. Phonetic Fonts for Windows and Macintosh.
Ohio.edu : Speaking : Pronunciation. A set of links to pronunciation directories, phonetics, American English vowels, sentence stress in English, course on phonology etc. For all levels.
Phonetics Focus: Cambridge English Online resources to help you improve your pronunciation and knowledge of phonetics in English. Illustrated flashcard maker. English idioms ewxercises.
Stuff Media Interactive Education: Phonetic Calculator. Learn the sound and characters of the international phonetic alphabet with this amusing software.
TELSUR PROJECT: A survey of linguistic changes in progress in North American English. The Telsur Project of the Linguistics Laboratory, University of Pennsylvania is supported by the National Science Foundation and the National Endowment for the Humanities.