Learning Japanese Language
Photographic Vocabulary Aid
Shodouka.com: View Japanese websites without having Japanese language support
Same as Shodouka, but supports fewer pages
Rikai
Useful page to help translating Japanese websites!
Japanese-English Dictionary Interface
Takasugi Shinji's Japanese Lessons
Daily Yomiuri: Pera Pera Penguin's 5 Minute Lessons
About.com: Japanese Language
CosCom Online
Japanese for the Western Brain
Online Kanji Dictionary
KanjiSite.Com
Kiki's Kanji Dictionary
E-Kanji
Slang
MIT-Japan Program
Japanese Class @ MIT - I II III IV V VI VII