tofugu.com/japanese/japanese-learning-resources-summer-2019/
Curated roundup of Japanese learning resources released during summer, including JLPT preparation materials, educational games, graded readers, podcasts, and multimedia content for learners at various levels.
Resource lists and enginesCourses, textbooks and schoolsJLPT and other testsJLPTJLPT N1CountersListening practiceTextbooksIntermediateVerb conjugationPodcastsBeginnerJLPT N3DictionariesGraded readersFree