1up Events - Corporate events as a service
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
Facebook Local - Discover places to go and events happening near you
pretix - pretix helps you to sell tickets for your event in an easy way. It supports multi-lingual events and provides a wide range of features
Eventjoy - The Easiest Way To Organize An Event
Ticket Tribe - Sell tickets online with no fees per ticket