OpenClinica - OpenClinica is an open source clinical trials software.
Zonka Feedback - Top feedback app designed to collect customer feedback on iPad & Android tablets, Online Surveys on Website, Mobile, Email & SMS. Track NPS & Other Metrics.
Castor EDC - Castor offers you a user-friendly and fully featured application for electronic data collection.
FeedbackServer - asp.net survey software Web based and open source software, for purchase or hosted, written in ASP.NET for Nsurvey
REDCap - REDCap (Research Electronic Data Capture) is a secure web application for building and managing...
SightMill - SightMill: Innovative customer experience platform that helps you get feedback from your customers. SightMill lets you quickly and easily setup Net Promoter Score surveys via email, on your website, by SMS and at events.