Zenly - Zenly is a GPS tracker to locate your friends in realtime.
Hoodmaps - Crowdsourced neighborhood 🗺 maps to navigate a city 💫
Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
YouMap - The Human Atlas™
Radar Chat - Radar Chat lets you communicate with people nearby and discover things in the world around you.
MyWhereAbouts - A map of your daily whereabouts, on the blockchain