Audio Tools on the web

Speaking/Recording

http://vocaroo.com/
Voice Recorder
This is a simple way to record your voice and immediately send it to an email address.
http://audioboo.fm/
a mobile & web platform that allows you to record and share audio
http://soundcloud.com
record, listen and share your sounds anywhere, web or mobile

Listening/Speaking

http://englishcentral.com
Improve your English using authentic videos and a unique speech recognition platform that provides you instant feedback on your speech.
LyricsTraining-
A fun way to improve your English listening to songs, 3 different levels
http://www.voki.com/
Create personalized speaking avatars and use them on your blog, profile, and in email messages. The voice can be recorded by you or the program can convert written text-to-speech.