GNU Health - GNU Health is a Free/Libre project for health practitioners, health institutions and governments.
drchrono - An EHR built for your specialty:
OpenMRS - OpenMRS is a community-developed, open source, enterprise electronic medical record system platform.
ClinicMED - Clinic MED, an open source application for Professional Clinic Management licensed under GPL
Castor EDC - Castor offers you a user-friendly and fully featured application for electronic data collection.
ChARM EHR - ChARM EHR is an cloud-based, HIPAA Compliant, MU2 certified, ambulatory Electronic Health Records...