Practice exercises in Japanese (Interactive)
- http://multilingualbooks.com/freelessons-japanese.html
- http://www.coscom.co.jp/
- http://www.freejapaneselessons.com/
- http://learnjapanese.elanguageschool.net/
- http://www.thejapanesepage.com/
- http://www.japanese-online.com/
- http://www.learn-japanese.info/