DownToMeet - DownToMeet is a platform to organize, find, and attend group events.
Attendize Event Ticketing - Attendize is a free & open-source ticket selling and event management platform
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
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
TableTune - Get your own corner of the Web for less! Register a new .COM for just $9.99 for the first year and get everything you need to make your mark online — website builder, hosting, email, and more.
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.