Party with a Local - Party with a Local is a free app that connects travelers with locals that want to party.
Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
Babble - A more personalized social network
Zenly - Zenly is a GPS tracker to locate your friends in realtime.
Palaround - Meet people you should be friends with.
/Lunchbox - Coordinate lunch trips with colleagues and friends in Slack.