GNU Health - GNU Health is a Free/Libre project for health practitioners, health institutions and governments.
Availity - Health Plans, Revenue Cycle Solutions, Healthcare Claims Clearinghouse - Availity
OpenMRS - OpenMRS is a community-developed, open source, enterprise electronic medical record system platform.
drchrono - An EHR built for your specialty:
SkillSurvey Credential OnDemand - Credential OnDemand automates candidate referencing and privileging
CureMD - CureMD is the leading provider of innovative technology and medical billing services that transform the administrative and clinical operations of healthcare organizations.