Anki - Anki is a program which makes remembering things easy. Because it's a lot more efficient than traditional study methods, you can either greatly decrease your time spent studying, or greatly increase the amount you learn.

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.

RemNote - All-in-One Tool For Thinking & Learning

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

MondlyAR - Learn languages in augmented reality

Memrise - Learn a new language with games, humorous chatbots and over 30,000 native speaker videos.