Availity - Health Plans, Revenue Cycle Solutions, Healthcare Claims Clearinghouse - Availity
GNU Health - GNU Health is a Free/Libre project for health practitioners, health institutions and governments.
drchrono - An EHR built for your specialty:
OpenMRS - OpenMRS is a community-developed, open source, enterprise electronic medical record system platform.
SkillSurvey Credential OnDemand - Credential OnDemand automates candidate referencing and privileging
Kareo - Kareo - Go Practice | Medical Office Software for Small Practices