deepwiki.com/yudataguy/Awesome-Japanese/2.2-essential-learning-resources
A curated directory of essential Japanese learning resources organized by category, including textbooks, courses, kanji tools, vocabulary systems, and grammar guides for learners at all levels.
Resource lists and enginesCourses, textbooks and schoolsGrammarTextbooksSpaced repetitionJLPTFreeBeginnerIntermediateAdvanced