TechEvents.co - Tech and startup events aggregator
EventsApp - A simple concise app for creating and sharing events.
Event Hunt - Startups and Tech Events Curated By Locals
Facebook Local - Discover places to go and events happening near you
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.
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets