David Hallgren’s Nihongo Website
David Hallgren offers various tools for studying Japanese, including:
– Hiragana and Katakana quizes
– various Kanji quizes and exercises
– vocabulary practice drills that cover the Genki textbooks as well as the JLPT levels 3 and 4
– a grammar database (currently in nascent stages it appears)
– a forum
– a kana editor (IE only supported)
Source: “David Hallgren” | Subject: Online Lessons