E-pals worldwide (English, French, Spanish, German, Portugese)
Volterre - UK site with lots of links & good information for conducting keypal projects
Global School Net (participate in world-wide internet projects - all subjects)
Gaggle Net - free email, screened for safety and appropriate language
Intercultural e-mail classroom connections
E-Pals email translation service (helps with non-fluent correspondents)
My Language Exchange - on line bulletin board, chat, keypals in language of study