Drops - Visual language learning.
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.
Multilingual - A command-line application that automatically translates the input sentence to multiple languages adds the translations to respective translation JSON files
Memrise - Learn a new language with games, humorous chatbots and over 30,000 native speaker videos.
Busuu - Join the global language learning community, take language courses to practice reading, writing, listening and speaking and learn a new language. Learn English with busuu's .
Learn 50 Languages - Learn more than 50 languages for free using your native language.