Welcome to Firely’s documentation site

On this site you will find the documentation for various FHIR tools and SDKs.

Firely Products

Product and FHIR Versions Overview
Product	FHIR Version	Firely tools used
Forge 2025.1.0 Forge 18.2	✔️ R5 - 5.0.0 ✔️ R4B - 4.3.0 ✔️ R4 - 4.0.1 ✔️ STU3 - 3.0.2 🧊 DSTU2	Firely .NET SDK 5.11.7 Firely .NET SDK 0.94
Simplifier 2024.6.2.3	✔️ R5 - 5.0.0 ✔️ R4B - 4.3.0 ✔️ R4 - 4.0.1 ✔️ STU3 - 3.0.2 🧊 DSTU2	Firely .NET SDK 5.10.3, Firely Server 5.6.0 Firely .NET SDK 1.9.1.1
Firely Terminal 3.4.0	✔️ R5 - 5.0.0 ✔️ R4B - 4.3.0 ✔️ R4 - 4.0.1 ✔️ STU3 - 3.0.2	Firely .NET SDK 5.11.1, FQL 5.0.0-alpha-02
Firely Server 6.0.0	✔️ R5 - 5.0.0 ✔️ R4 - 4.0.1 ✔️ STU3 - 3.0.2	Firely .NET SDK 5.11.4
Firely .NET SDK 5.11.6 Firely .NET SDK 4.3.0 Firely .NET SDK 1.9.1.1	✔️ R5 - 5.0.0 ✔️ R4B - 4.3.0 ✔️ R4 - 4.0.1 ✔️ STU3 - 3.0.2 ⚠️ R5 - 5.0.0-snapshot1 ✔️ R4B - 4.3.0 ✔️ R4 - 4.0.1 ✔️ STU3 - 3.0.2 🧊 DSTU2

✅ = Stable version ⚠️ = Preview release (preview FHIR version) 🧊 = Frozen release