Hl7 GitHub Repositories (2026) · Open Source Tools

🔥 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.

PHP library for Parsing, Generation and Sending HL7 v2 messages

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.

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

Open eHealth Integration Platform

Tools for consuming data from a FHIR server with PHP

The ruby-hl7 gem