Stealthy: Secret Messenger - Chat anonymously with friends & strangers
DUSK - Anonymous live video
Instaround - A simple app to find Instagram photos and people around you.
Periscope on Twitter for iOS - Stream live video inside your tweets
Picture.io - Klout score for Instagram. See how insta famous you are. 📷✨
Live Video On Tumblr - Tumblr's answer to Periscope, Facebook Live and Twitch