Attendize Event Ticketing - Attendize is a free & open-source ticket selling and event management platform
Event Hunt - Startups and Tech Events Curated By Locals
Iventlist - Create an app for your event in minutes 🎟️
Eventjoy - The Easiest Way To Organize An Event
Meetup for iOS and Android - Discover groups that are all about the things you love
Facebook Local - Discover places to go and events happening near you