Party with a Local - Party with a Local is a free app that connects travelers with locals that want to party.
EventsApp - A simple concise app for creating and sharing events.
Babble - A more personalized social network
Event Hunt - Startups and Tech Events Curated By Locals
Palaround - Meet people you should be friends with.
Calendify - Calendify is an event community where you can share, publish, and subscribe to event calendars. It helps you to stay informed about what you are interested in and what is yet to come.