doxy.me - Affordable telemedicine solution.
GNU Health - GNU Health is a Free/Libre project for health practitioners, health institutions and governments.
SimplePractice - With SimplePractice, manage your notes, scheduling, and billing all in one place. Conduct secure video appointments with Telehealth by SimplePractice.
OpenEMR - OpenEMR is an open source electronic health records and medical practice management solution.
drchrono - An EHR built for your specialty:
OpenMRS - OpenMRS is a community-developed, open source, enterprise electronic medical record system platform.