OPEN HEALTH STACK DOCUMENTATIONBeta

Standards-Based Building Blocks for Global Digital Health Innovators

Open source Kotlin Multiplatform libraries, client and backend SDKs, reference toolkits, and AI evaluation tools that accelerate healthcare software without vendor lock-in.

Why Open Health Stack Get Started

Building blocks for global digital healthApache 2.0 LicensedContribute →

Modular tools for digital health

Open Health Stack is a collection of open-source tools and shared libraries for standards-native healthcare software. Rather than offering a rigid monolithic system, the ecosystem allows digital health innovators, ministries of health, and engineering teams to adopt individual libraries or evaluate a complete reference toolkit.

PILLAR 01

FHIR Foundations

Unbundled Kotlin Multiplatform core libraries, on-device SQLite storage, typed search parameters, and structured questionnaire rendering.

Explore FHIR Foundations →

PILLAR 02Alpha Release

OHS Player

A full-stack reference toolkit showing how foundational components assemble into an offline-first frontline client, web admin portal, gateway, and analytics.

Understand OHS Player →

PILLAR 03Incubating

AI Commons (Incubating)

Structured FHIR prompt engineering tools, standardized clinical benchmarking, and safety evaluation frameworks for builders and health authorities.

Learn about AI Commons →

Get started

I want to	First step	Direct link
Understand strategic benefits and capabilities	Read the executive briefing and explore capability architecture	Why Open Health Stack
Evaluate adoption pathways and integration patterns	Compare unbundled SDK adoption with full reference toolkit adaptation	Adoption pathways
Build mobile or multiplatform client applications	Integrate Kotlin FHIR, on-device SQLite storage, and questionnaire capture	FHIR Foundations
Launch the reference environment locally	Spin up HAPI FHIR, Keycloak, Gateway, and Analytics with Docker Compose	Get started with Player
Explore architecture and data flow	Review end-to-end gateway routing, access control, and SQL-on-FHIR analytics	The architecture
Access tutorials and codelabs	Follow step-by-step developer guides and code recipes	Tutorials and codelabs
Join the community or contribute	Find source repositories, working groups, and contribution guidelines	Resources and community