Japan Penfriend is an e-mail pen pal forum that specializes in contacts between Japanese and Non-Japanese.
My Language Exchange.com
This is a community of second language learners where you can practice your second language (any language) with native speakers online.
The Mixxer is a free educational site for language learners and teachers to find a language partner for a language exchange.
World Community Board
This site brings you and Japanese people together. Many Japanese people are looking for English speaking friends. Find your Japanese pen pals through the board for free.