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.
Clinical Conductor CTMS - Clinical Conductor is designed to accommodate the unique needs of organization & conduct clinical research.
FeedbackServer - asp.net survey software Web based and open source software, for purchase or hosted, written in ASP.NET for Nsurvey
Longboat - Cloud-based clinical trial management
KeySurvey - KeySurvey provides survey and questionnaire tools.