Duolingo - Duolingo is a free language learning app for iOS, Windows and Android devices. The app makes learning a new language fun by breaking learning into small lessons where you can earn points and move up through the levels. Read more about Duolingo.
OptiLingo - OptiLingo: Dreaming of Speaking a New Language?
Simply Learn Japanese - Learn Japanese with 1000 phrases and intelligent flashcards
Mondly - Learn 33 languages in 500 bite-size lessons and 14 conversational modules.
Kanji Ninja - Fun game to learn 1000+ Japanese characters
Lingvo TV - Learn languages while watching movies on Netflix.