Roundio - Explore what people posted to Instagram or Flickr near you
Instaround - A simple app to find Instagram photos and people around you.
Picture.io - Klout score for Instagram. See how insta famous you are. 📷✨
Herefeed - See what's hot near you. Powered by Instagram.
Stealthy: Secret Messenger - Chat anonymously with friends & strangers
Standuply - Run daily standup meetings and track your metrics in Slack