Roomvine - Chatrooms for real life venues, neighborhoods and events
Bubi Chat - Location based anonymous chatting app
Spectrum - Browser-based app to visualize the frequencies of an audio file.
Stealthy: Secret Messenger - Chat anonymously with friends & strangers
Berkanan - Chat with people nearby. Even offline, on an ✈️.
Roundio - Explore what people posted to Instagram or Flickr near you