You can learn Japanese Sign Language online on Tandem, or italki.
Learn Japanese Sign Language on italki
italki is one of the best language learning apps out there because it offers unique classes that you can't find anywhere else. Whether you're interested in brushing up on your French before your trip to Paris or learning Japanese to help with business negotiations, italki has a class for you. With great native teachers and a convenient online platform, italki makes learning a new language easy and fun.
Tandem is a free platform with a simple premise: there is probably someone out there who is learning your native language, and whose native language you want to learn. So they put you in touch with them.
When you sign up, Tandem will review your application to make sure their platform remains safe and that the person you get matched with is also a keen language learner.