Firely is a leading healthcare technology company specializing in FHIR (Fast Healthcare Interoperability Resources) implementation tools and solutions.

Founded with a mission to improve healthcare data interoperability, Firely develops and maintains essential FHIR tools including Simplifier.net, a collaborative platform for FHIR specifications, and Forge, a user-friendly FHIR profile editor.

The company's flagship products also include Firely Server, a production-ready FHIR server, and the open-source Firely .NET SDK, which powers FHIR APIs and systems worldwide for governments, hospitals, and healthcare organizations.


Learn more about Firely

LATEST NEWS

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🧜‍♀️ New Simplifier.net Release 2026.6: Private membership and Mermaid
You now decide who can see that you work on a project. This release adds private user profiles and private team members, and brings Mermaid diagrams.
avatar   Ardon Toonstra   Tuesday, November 3, 2026
🤖 New Firely Terminal Release – Validation in step with Simplifier
Firely Terminal `4.0.0` validates and runs Quality Control the way Simplifier does, and gives your pipelines better control over when a build fails. It is a major release: it runs on .NET 10 and the Firely .NET SDK 6, and a few things you may script against have changed.
avatar   Ardon Toonstra   Friday, October 30, 2026
🛠️ New Forge Release – Version Pinning and Multiple Package Versions
The Forge 2026.3.0 release brings the two package changes Simplifier introduced this year to Forge: canonical pinning, and more than one version of a package in your project.
avatar   Ardon Toonstra   Friday, October 16, 2026
📦 New Simplifier.net Release 2026.5: Multiple package versions in scope
Simplifier now keeps every version of a package that your dependencies bring in and resolves your references predictably across them. This release also redesigns the guides overview and starts retiring DSTU2.
avatar   Ardon Toonstra   Tuesday, September 29, 2026
🗳️ Building the future of FHIR, together
Earlier this year, we asked the Simplifier community how they use Simplifier, Forge, and Firely Terminal in their day-to-day FHIR work. First of all, thank you to everyone who took the time to participate.
avatar   Ardon Toonstra   Tuesday, August 25, 2026
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Simplifier Homepage Showcases

This list of show case projects is displayed on the Simplifier homepage, as inspiration for people who create their own projects.

Projekt Basisprofilierung R4 (HL7 Deutschland e.V.)
updated R4
formerly known as the EPMA Implementation Guidance for R4
updated R4
IL Core project
updated R4
Project for HL7 FHIR® UK Core R4
updated R4
Ovaj vodič za implementaciju integracijskog sučelja opisuje funkcionalnosti usluge za upravljanje po
updated R4
A collaborative project from Women for FHIR at DevDays 2025, centered on the Heavy Menstrual Bleeding use case
updated R4
FHIR R4 conformance resources for zib publication 2020.
updated R4
Kanta FHIR Prescription R4 profiles
updated R4
The latest published version is [Version 1.2.0 DFT](https://simplifier.net/guide/ca-core?version=1.2.0-dft). A complete history of published versions can be accessed [here](https://simplifier.net/ca-core).
updated R4
This implementation guide is for the Swedish National Medication List (NLL) release 21.18 - current
updated R4
Contains sample data and additional information for SAP Health Data Services for FHIR
updated R4
Interoperability R5 Guide
updated R5
KBV-Basis-Profile V 1.10.0
updated R4
Norwegian core profiles for R4
updated R4
Medizininformatik Initiative - Modul Onkologie
updated R4
National patient search interface
updated R5
Project for MedMij Dental Care (Dutch: Mondzorg).
updated R4
LDVC HL7 FHIR R4B projekti: laboratoriju un onkoloģijas lietojumi. | Laboratory and Oncology projects
updated R4B
Title:
Title is mandatory and should be longer than 3 characters.