Eventbrite - Discover Great Events or Create Your Own & Sell Tickets

Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.

Cvent - Cvent's event management software provides event planners with a complete solution to increase event attendance and decrease event costs.

ePly - Let us show you ePly's simple, scalable online event registration platform. We're ready to support you through your event, no matter the size or complexity.

Bigtent - BigTent is a web-based organization and communication portal for groups.

Ticket Tailor - Ticket Tailor is an easy-to-use event ticketing platform that allows event organizers of all shapes and sizes to sell tickets online.