Attendify - Develop relationships at the events that you attend by creating smaller events with just a few people.
Tendenci - Tendenci - The Open Source AMS is a cloud-based all-in-one management SaaS solution for Non-profits and Associations.
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
JeraSoft - JeraSoft develops of high-end billing, rating, routing and mediation solutions for Communication Providers (Mobile VoIP, Retail and Wholesale VoIP, SMS, MVNO/MVNE/MNO, and OTT Providers), Internet of Things Providers and Internet Service Providers.
Prekindle - Prekindle is a simple yet powerful event management, ticketing, and marketing platform that helps businesses to sell tickets to the event online and spread the word.
WildApricot - WildApricot is a powerful cloud software to help you automate and simplify membership tasks.