YatoGaku
YatoGaku is a Japanese-learning site that aggregates existing open source learning tools instead of rebuilding them from scratch. It is under construction.
DashboardWhere you stand across grammar and listening/reading.N5 GrammarN5 grammar points, linking to Tae Kim, Imabi, and Tofugu.N4 GrammarN4 grammar points: passive, causative, conditionals, and more.N3 GrammarN3 grammar points: certainty, formality, and more nuanced patterns.N2 GrammarN2 grammar points: concession, reasoning, obligation, and register.N1 GrammarN1 grammar points: formal written expressions from Imabi's advanced lessons.Kana PracticeHiragana and katakana drilling.Quiz PracticeKanji, vocabulary, and grammar quizzes with spaced repetition.Listening & ReadingNHK and Erin's Challenge audio and reading resources, by level.DictionaryLook up a word on Jisho without leaving this site.SourcesWhich open source projects this site is built on, and why.