GNU Health - GNU Health is a Free/Libre project for health practitioners, health institutions and governments.
OpenClinica - OpenClinica is an open source clinical trials software.
Medidata CTMS - Medidata CTMS seamlessly integrates with Medidata Rave to provide real-time views into study progress without manual tracking.
Med-Quest - Cloud based Clinical EDC with a focus on speed, user interface and collection automation techniques.
OnCore - OnCore Enterprise Research system supports efficient processes at academic medical centers, cancer centers, and health care systems.
OpenMRS - OpenMRS is a community-developed, open source, enterprise electronic medical record system platform.