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@OHDSI

Observational Health Data Sciences and Informatics

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  1. CommonDataModel CommonDataModel Public

    Definition and DDLs for the OMOP Common Data Model (CDM)

    HTML 1k 481

  2. Vocabulary-v5.0 Vocabulary-v5.0 Public

    Build process for the OHDSI Standardized Vocabularies. Currently not available as independent release.

    PLpgSQL 257 75

  3. Atlas Atlas Public

    ATLAS is an open source software tool for researchers to conduct scientific analyses on standardized observational data

    JavaScript 302 149

  4. Cyclops Cyclops Public

    Cyclops (Cyclic coordinate descent for logistic, Poisson and survival analysis) is an R package for performing large scale regularized regressions.

    C++ 41 33

  5. CohortMethod CohortMethod Public

    An R package for performing new-user cohort studies in an observational database in the OMOP Common Data Model.

    R 88 68

  6. PatientLevelPrediction PatientLevelPrediction Public

    An R package for performing patient level prediction in an observational database in the OMOP Common Data Model.

    R 212 91

Repositories

Showing 10 of 367 repositories
  • Data2Evidence Public

    Data2Evidence is an end-to-end solution for management and analysis of OMOP data - https://data2evidence.org

    OHDSI/Data2Evidence’s past year of commit activity
    TypeScript 30 Apache-2.0 8 259 51 Updated Jan 6, 2026
  • ComparatorSelectionExplorer Public

    This package is designed to aid the selection of comparators in active comparator, new user cohort designs by computing a similarity metric across all possible pairs of drug comparators

    OHDSI/ComparatorSelectionExplorer’s past year of commit activity
    R 0 2 18 2 Updated Jan 6, 2026
  • Ulysses Public

    Ulysses is an R package that automates setup of an OHDSI study and provides functions to assist with its maintenance and organization.

    OHDSI/Ulysses’s past year of commit activity
    R 2 Apache-2.0 4 8 0 Updated Jan 6, 2026
  • Ariadne Public

    A Python toolkit for mapping source terminologies to standard concepts in the OHDSI Vocabulary.

    OHDSI/Ariadne’s past year of commit activity
    Python 1 Apache-2.0 0 0 0 Updated Jan 6, 2026
  • ETL-CDMBuilder Public

    ETL-CDMBuilder is a repo containing a .NET Core application to perform ETL to OMOP CDM for multiple databases

    OHDSI/ETL-CDMBuilder’s past year of commit activity
    C# 54 Apache-2.0 32 1 0 Updated Jan 6, 2026
  • OmopSketch Public
    OHDSI/OmopSketch’s past year of commit activity
    R 3 Apache-2.0 2 6 2 Updated Jan 6, 2026
  • ClinicalTrialsWG-TB Public

    Clinical Trials Work Group ETL for Tuberculosis studies

    OHDSI/ClinicalTrialsWG-TB’s past year of commit activity
    Python 3 Apache-2.0 0 9 2 Updated Jan 6, 2026
  • dbt-synthea Public

    [Under development] A dbt ETL project to convert a Synthea synthetic data set into the OMOP CDM

    OHDSI/dbt-synthea’s past year of commit activity
    Python 34 Apache-2.0 13 21 2 Updated Jan 6, 2026
  • ArachneExecutionEngine Public

    Arachne Execution Engine is a component used to execute remote SQL or R code. It is used by both Arachne Data Node as well as WebAPI

    OHDSI/ArachneExecutionEngine’s past year of commit activity
    PLpgSQL 9 9 4 3 Updated Jan 6, 2026
  • Atlas3 Public

    [under development]

    OHDSI/Atlas3’s past year of commit activity
    TypeScript 0 0 0 1 Updated Jan 6, 2026
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