jlearn.net/learn
Resource list with introductory guides to Japanese scripts (hiragana, katakana, kanji), JLPT preparation material, vocabulary and kanji lists, and study tools including quizzes and soundboards.
Kanji and kanaVocabularyResource lists and enginesHiraganaKatakanaJLPTVocabulary listsQuizzesBeginnerPronunciationCounters