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.

Flizle - Send and receive anonymous messages to friends like with Sarahah, but with the ability to reply.

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

Kiwi.qa - Kiwi is a fast and easy way to ask your friends interesting questions and find out what they think.

MondlyAR - Learn languages in augmented reality

Ask.fm - Curious? Just ask! Openly or anonymously.