Hinge - Find people you want to date through your friends on Facebook.
Fullcourt - The social network for basketball players
Tinder - Tinder is how people meet. It's like real life, but better.
Sporty - Beautiful app for creating/joining sports activities nearby
Meetwo - Meetwo is the YES or NO questions game where you can meet new people.
5F - Find Fit Friends - Tinder for more “active” people. Find Sport Buddies.