EventsApp - A simple concise app for creating and sharing events.
TechEvents.co - Tech and startup events aggregator
Event Hunt - Startups and Tech Events Curated By Locals
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.
Babble - A more personalized social network
Sparq Events - 3D Social Networking