VenueScanner - Connecting event organisers with venue hosts
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
TicketSource - Free, easy to use online ticketing for your events.
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
Buytiket.com - The First Autopilot System Travel Agent
Ticket Tribe - Sell tickets online with no fees per ticket