Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
Eventjoy - The Easiest Way To Organize An Event
Cvent - Cvent's event management software provides event planners with a complete solution to increase event attendance and decrease event costs.
Meetup for iOS and Android - Discover groups that are all about the things you love
Ticket Tailor - Ticket Tailor is an easy-to-use event ticketing platform that allows event organizers of all shapes and sizes to sell tickets online.
TechEvents.co - Tech and startup events aggregator