GNU Health - GNU Health is a Free/Libre project for health practitioners, health institutions and governments.
Qualifacts CareLogic Enterprise - Qualifacts CareLogic Enterprise is a high-performance, reliable electronic health record system that enables you to elevate the experience of your customers and work more efficiently.
OpenMRS - OpenMRS is a community-developed, open source, enterprise electronic medical record system platform.
Kareo - Kareo - Go Practice | Medical Office Software for Small Practices
drchrono - An EHR built for your specialty:
athenaClinicals - EHR software for healthcare professionals