OpenClinica - OpenClinica is an open source clinical trials software.
Attendify - Develop relationships at the events that you attend by creating smaller events with just a few people.
Castor EDC - Castor offers you a user-friendly and fully featured application for electronic data collection.
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
Medidata CTMS - Medidata CTMS seamlessly integrates with Medidata Rave to provide real-time views into study progress without manual tracking.
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.