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.
5F - Find Fit Friends - Tinder for more “active” people. Find Sport Buddies.
LanguageBeast.com - Study English synonyms and antonyms to enrich your vocabulary
ATLETO - Connecting everyday athletes
Babble - A more personalized social network
sPortable - instant messaging, video chat and phone calls