Fhir GitHub Repositories (2026) · Open Source Tools

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

open-source ontology platform for operational digital twins

🔥 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.

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

ESB, SOA, REST, APIs and Cloud Integrations in Python

Clinical Quality Language (CQL) is an HL7 specification for the expression of clinical knowledge that can be used within both the Clinical Decision Support (CDS) and Clinical Quality Measurement (CQM) domains. This repository contains complementary tooling in support of that specification.

Firely and Incendi's open source FHIR server

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

Swift library for FHIR® resource data models

Open eHealth Integration Platform

Tools for consuming data from a FHIR server with PHP