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.

Google Groups - Google Groups allows you to create and participate in online forums and email-based groups with a rich experience for community conversations.

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

DownToMeet - DownToMeet is a platform to organize, find, and attend group events.

TicketLeap - Sell tickets online to your events with Ticketleap, a free and easy to use event registration and complete box office software.

Mighty Networks - Mighty Networks enables entrepreneurs, organizations, and companies to create and grow a community-powered brand.