Facebook Local - Discover places to go and events happening near you
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
LinkedIn Events - A new way of connecting people from LinkedIn
Attendize Event Ticketing - Attendize is a free & open-source ticket selling and event management platform
Party Bot - A bot that helps find the best parties 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