Attendize is a free, open-source & self-hosted ticket selling and event management platform. You can add custom event posters, text and social sharing options to your event pages to make them stand out. Refund, search, e-mail, edit, delete, print or export. Attendize has powerful attendee management tools. Attendize has a straightforward and well designed checkout process. Users will have their tickets in just a few clicks. Attendize was designed to work on any sized device, so you can easily manage your events on the go.
Sito:
https://www.attendize.com/
Demo:
https://www.attendize.com/documentation.php#demo
Fonte:
http://www.webappers.com/2016/03/08/attendize-open-source-self-hosted-ticket-selling-platform/