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Community Projects
Bryn Rhodes edited this page Jun 8, 2026
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This page lists known community projects related to Clinical Quality Language. If you have a community project, feel free to add it here!
The projects are divided into two broad categories, tooling and content development:
- Tooling: Projects related to implementation of CQF projects (such as translators, engines, publication tooling, etc)
- Content: Projects that are using CQF-related standards to build content
- https://github.com/cqframework/clinical_quality_language: CQL-to-ELM Translator, Java CQL Engine
- https://github.com/cqframework/cql-execution: Java-Script Execution Engine
- https://github.com/cqframework/cql-exec-fhir: A FHIR data source provider for the CQL Execution framework
- https://github.com/cqframework/cql-exec-vsac: A VSAC-enabled value set provider for the CQL Execution framework
- https://github.com/cqframework/cql-exec-examples: Simple examples demonstrating how to use cql-execution, cql-exec-fhir, and cql-exec-vsac
- https://github.com/FirelyTeam/firely-cql-sdk: This is NCQA's and Firely's official support SDK for working with CQL on the Microsoft .NET (dotnet) platform. It contains an engine for executing ELM, and/or turning the contents of an ELM file into a .NET assembly so it can be called statically.
- https://github.com/google/cql: An experimental CQL execution engine for analyzing FHIR healthcare data at scale
- https://github.com/google/cql/blob/main/cmd/cqlplay/README.md: An experimental web playground for CQL
- https://github.com/cqframework/cql-translation-service: RESTful service for translating CQL to ELM
- https://www.npmjs.com/package/encender: JS implementation of $apply
- https://github.com/dbcg/cql-evaluator: Java implementation of $cql, $evaluate, $evaluate-measure, and $apply
- https://github.com/google/android-fhir#workflow-library: Android FHIR SDK support for $evaluate-measure and $apply
- https://github.com/dbcg/cql_execution_service
- https://github.com/AHRQ-CDS/AHRQ-CDS-Connect-CQL-SERVICES: Expose CQL via Custom-API or CDS Hooks interface (built on JavaScript CQL Execution Engine)
- https://github.com/Path-Check/cql-editor-app: Android CQL compiler
- https://github.com/DBCG/cql_runner: Web-based CQL Authoring
- https://github.com/cqframework/atom-cql-support: Atom IDE plugin (deprecated, use the VS Code plugin instead)
- https://github.com/cqframework/vscode-cql: VS Code IDE plugin
- https://sandbox.cqlab.io/: Web-based CQL and clinical reasoning artifact authoring environment
- https://thespark.dev: Web-based CQL and clinical reasoning artifact authoring environment (Documentation
- https://reason.health/articles/introducing-rh-skills: Agentic framework for computable knowledge from Reason Health
- https://cqlstudio.com/: Integrated Development Environment for CQL-based knowledge artifact development
- https://studio.quality.hl7.org/: HL7 Foundry entry for CQL Studio
Note that the current state of this project is closed. The CDS Connect Authoring Tool has been forked as CDS Connect Authoring Tool: Community Edition. The artifacts that were available as part of CDS Connect repository have been archived.
- https://cds.ahrq.gov/: Repository of CDS including CQL-based artifacts
- https://cds.ahrq.gov/authoring/: CDS Authoring Tool capable of exporting FHIR-based CQL logic
- https://github.com/AHRQ-CDS/AHRQ-CDS-Connect-Authoring-Tool: CDS Authoring Tool Source Code
- https://github.com/AHRQ-CDS/CQL-Testing-Framework Java-script CQL Testing Framework
- https://github.com/cqframework/cql-tests Specification test cases to establish and demonstrate engine capability and conformance
- https://github.com/cqframework/cql-tests-runner Simple JavaScript runner for the cql-tests
- https://github.com/cqframework/cql-tests-results Repository for engines to report testing results
- https://github.com/carreraGroup/cqf-bench CQFramework Benchmarking suite from Carrera Group
- https://om.rs/productdashboard: OpenMRS Product Roadmap
- https://github.com/samply/blaze: A FHIR® server with internal, fast CQL Evaluation Engine
- https://github.com/dbcg/cqf-ruler: HAPI FHIR server plugin to enable CQL evaluation and Clinical Reasoning functionality
- https://github.com/PheMA/cql-on-omop: Translates CQL (ELM) to OMOP for evaluation against an OHDSI repository
- https://github.com/DBCG/spark-cql-fhir: Demonstration of a Spark-CQL pipeline
- https://github.com/IBM/FHIR: An open source FHIR server implementation that includes CQL and Clinical Reasoning functionality
- https://github.com/google/cql-on-beam: Using Apache Beam to evaluate CQL libraries
- https://github.com/cqframework/cqf-tooling: Tooling to support CQL library tooling and other handy utilities related to CQL-based FHIR content
- https://github.com/projecttacoma/fhir-patient-generator: Tooling to generate FHIR patients for eCQM testing
The projects listed here provide a catalog of known CQF-related content development projects. The projects listed here are all independently funded and managed.
- CQF Common - Common CQF Assets (FHIRHelpers, FHIR-ModelInfo, etc) (published)
- Using CQL With FHIR - Latest version of FHIRHelpers, FHIR-ModelInfo, and FHIRCommon and FHIR-based authoring guidance
- CQL US Common - USCoreCommon, USCoreElements, and US-based authoring patterns
- dQM CMS 2026 - Latest Digital Quality Measure draft content for testing and connectathon support of advanced quality reporting features (CI Build)
- dQM CMS 2025 - Draft CMS 2025AU content refactored to use the USQualityCore 0.1.0-cibuild, and US Core 6.1.0-derived models (CI Build)
- dQM CMS QICore 2025 - Draft CMS 2025AU content as exported from MADiE using QICore 6.0.0 (CI Build)
- dQM Content - Full index of FHIR-based Quality Measure draft, testing, and connectathon content
- Opioid Milligram Morphine Equivalent Calculator (published)
- Opioid Prescribing Implementation Guide (STU3)
- Opioid Prescribing Implementation Guide (R4)
- CDS for Chronic Pain Management IG
- Pain Manager (fork of Pain Management Summary)
- MyPAIN Patient Engagement Application