OpenClinica - OpenClinica is an open source clinical trials software.

Kareo - Kareo - Go Practice | Medical Office Software for Small Practices

Castor EDC - Castor offers you a user-friendly and fully featured application for electronic data collection.

ChiroTouch - ChiroTouch chiropractic software and EHR is a fully integrated practice management software system with on-premises or cloud options.

FeedbackServer - asp.net survey software Web based and open source software, for purchase or hosted, written in ASP.NET for Nsurvey

eClinicalWorks - eClinicalWorks - the largest Cloud EHR in the nation. Make the switch to eClinicalWorks