Roundio - Explore what people posted to Instagram or Flickr near you
Instaround - A simple app to find Instagram photos and people around you.
Circle.so - Bring together your discussions, memberships, and content. Integrate a thriving community wherever your audience is, all under your own brand.
MushRoom - KnockKnock the person whom you want to message and he/she should accept your knockRoom or Group can be created by providing a nameShare Room link with your friends to join the conversationWatch video or listen music during conversation
Herefeed - See what's hot near you. Powered by Instagram.
Roomvine - Chatrooms for real life venues, neighborhoods and events