dbTribe - Get booked in a bar. Book a band in your bar. Get informed if a band is booked in a nearby bar.
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
GigMasters - Event marketplace for booking live music artists, DJs, photographers and more.
Attendize Event Ticketing - Attendize is a free & open-source ticket selling and event management platform
Fyre - On-demand platform for celebrity booking.
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