GNU Health - GNU Health is a Free/Libre project for health practitioners, health institutions and governments.

CabMD - Real-time version code check, claim validation, automatic GoSecure account management, appointment scheduling and so much more.

Kareo - Kareo - Go Practice | Medical Office Software for Small Practices

EDIinsight - EDIinsight software enables users to track transaction in real-time, customize claim edits, create secondary claims, & manage claim workflow

OpenMRS - OpenMRS is a community-developed, open source, enterprise electronic medical record system platform.

Dr. Bill - Pain-free medical billing for doctors. Stop using paper, index cards and clunky software - our web & mobile apps make billing simple. Save time & earn more.