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.

Jodel - What is Jodel all about? Jodel is the community that shows you what's happening in your area in real-time.

LanguageBeast.com - Study English synonyms and antonyms to enrich your vocabulary

Berkanan - Chat with people nearby. Even offline, on an ✈️.

Babble - A more personalized social network

Treadie - Create your own micro-social network for topics