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.
YouMap - The Human Atlas™
/Lunchbox - Coordinate lunch trips with colleagues and friends in Slack.
Avoid Tourist - A crowdsourced map of touristy places to avoid 🗺️
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.