Zenly - Zenly is a GPS tracker to locate your friends in realtime.
Location History Visualizer - Visualize Google location history data on a heatmap 🗺️
Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
Mapstr - Your places, your world!
Radar Chat - Radar Chat lets you communicate with people nearby and discover things in the world around you.
Mapiful - Create & order custom printed maps of your favorite places