Babbel

Teaches languages through translation and listening exercises. Also features live lessons with instructors.

Mondly

Gamifies language practice, mainly through translation and listening exercises.

Duolingo

Gamifies language practice, mainly through translation and listening exercises.

Pimsleur

Teaches languages through various methods including audio courses, flash cards, and pronunciation practice.

Japanese: A Comprehensive Grammar textbook grammar

Stefan Kaiser,Yasuko Ichikawa,Noriko Kobayashi,Hilofumi Yamamoto

Japanese: A Linguistic Introduction textbook grammar linguistics pragmatics

Yoko Hasegawa

Modern Japanese Grammar textbook grammar

Naomi McGloin,Mutsuko Endo Hudson,Fumiko Nazikian,Tomomi Kakegawa

An Introduction to Japanese Linguistics textbook linguistics grammar phonology

Natsuko Tsujimura

The Phonology of Japanese textbook linguistics phonology

Laurence Labrune

Japanese textbook linguistics

Shoichi Iwasaki