OpenEMR - OpenEMR is an open source electronic health records and medical practice management solution.
ChiroTouch - ChiroTouch chiropractic software and EHR is a fully integrated practice management software system with on-premises or cloud options.
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.
SimplePractice - With SimplePractice, manage your notes, scheduling, and billing all in one place. Conduct secure video appointments with Telehealth by SimplePractice.