Best for: Kanji study with a dictionary built in
Kanji and written-Japanese study site with free lessons, flashcards, games and a dictionary, plus a visual map of which kanji you know.
Android app for learning kanji, with stroke-order writing practice, flashcards, multiple-choice quizzes and spaced repetition, plus kanji and word search. The beginner kanji, radicals and kana are free with no ads; a one-time purchase unlocks the remaining kanji and custom study sets.
Free step-by-step guide to learning hiragana with picture mnemonics and practice suggestions.
Free mnemonic-based guide to katakana, the follow-up to the Tofugu hiragana guide.
