OpenEMR - OpenEMR is an open source electronic health records and medical practice management solution.
GNU Health - GNU Health is a Free/Libre project for health practitioners, health institutions and governments.
Kareo - Kareo - Go Practice | Medical Office Software for Small Practices
OpenMRS - OpenMRS is a community-developed, open source, enterprise electronic medical record system platform.
drchrono - An EHR built for your specialty:
CareSmartz360 - CareSmartz360 - Cloud-based HIPAA compliant home care software solution to empower businesses. An advanced homecare software to manage end-to-end operations.