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.

iTunes - Media player, media library, Internet radio broadcaster, and iPhone device management application

Readlang - Read your favorite webpages, translate the words you don't know, and we'll generate flashcards to help you remember.

Edwin - Language app that combines AI & professional English tutors.

Mondly - Learn 33 languages in 500 bite-size lessons and 14 conversational modules.

Humanloop - Train state-of-the-art language AI in the browser