Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
Zenly - Zenly is a GPS tracker to locate your friends in realtime.
Capture - A great free screen capture utility that allows you to capture either a window or the desktop and save it to either a file or the clipboard.
Radar Chat - Radar Chat lets you communicate with people nearby and discover things in the world around you.
sup - The first creep-free way to see nearby friends
MyWhereAbouts - A map of your daily whereabouts, on the blockchain