Instaround - A simple app to find Instagram photos and people around you.
Noizer - Ambient sounds like Noisli, but free
Stealthy: Secret Messenger - Chat anonymously with friends & strangers
Defonic - Create a unique sound environment at home or in the office
Spray - Local chat, made simple
Noisli - Noisli is a fantastic background noise and color generator for working and relaxing. Online soothing ambient sounds like White noise, Rain and Coffee Shop.