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.

Tinder - Tinder is how people meet. It's like real life, but better.

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

MeetMe - Location-based social networking app for meeting singles.

Babble - A more personalized social network

Badoo - Badoo combines elements of dating apps and social media platforms to create a unique way of meeting potential romantic interests.