Berkanan - Chat with people nearby. Even offline, on an ✈️.
Party with a Local - Party with a Local is a free app that connects travelers with locals that want to party.
Stealthy: Secret Messenger - Chat anonymously with friends & strangers
Babble - A more personalized social network
Roomvine - Chatrooms for real life venues, neighborhoods and events
Palaround - Meet people you should be friends with.