Nightout - The standard in event ticketing and marketing by NIGHTOUT
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
TicketHarbor - The safer Craigslist for P2P ticket exchanges
Attendize Event Ticketing - Attendize is a free & open-source ticket selling and event management platform
Jukely - Go to hundreds of concerts for one monthly fee 💃
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