Top FHIR GitHub Repositories & Tools (2026)

Medplum is a healthcare platform that helps you quickly develop high-quality compliant applications.

The most popular open source electronic health records and medical practice management solution.

🔥 HAPI FHIR - Java API for HL7 FHIR Clients and Servers

OpenELIS Global — open-source Laboratory Information System (LIS/LIMS) for clinical and public-health labs in 25+ countries. Java/Spring + React (Carbon), FHIR R4 native, Docker.

Open eHealth Integration Platform

An open source fork of the now closed-source Mirth Connect. Installers for the engine are in this repository.