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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 1.1k 511

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

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

    PLpgSQL 274 75

  3. Atlas Atlas Public

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

    JavaScript 327 154

  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++ 44 36

  5. CohortMethod CohortMethod Public

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

    R 92 68

  6. PatientLevelPrediction PatientLevelPrediction Public

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

    R 221 96

Repositories

Showing 10 of 390 repositories
  • CohortPrevalence Public

    OHDSI package to calculate prevalence

    OHDSI/CohortPrevalence's past year of commit activity
    R 0 Apache-2.0 4 6 0 Updated Oct 2, 2026
  • Hades Public

    Health Analytics Data-to-Evidence Suite (HADES): A collection of R packages for performing analytics against the Common Data Model.

    OHDSI/Hades's past year of commit activity
    R 30 Apache-2.0 17 21 (3 issues need help) 4 Updated Oct 2, 2026
  • Keeper Public

    A tool to support case validation

    OHDSI/Keeper's past year of commit activity
    R 10 5 5 0 Updated Oct 2, 2026
  • Atlas3 Public

    A complete reimplementation of OHDSI ATLAS for cohort definition and analysis, built with Vue 3 and TypeScript.

    OHDSI/Atlas3's past year of commit activity
    TypeScript 10 Apache-2.0 5 14 1 Updated Oct 2, 2026
  • trex Public

    Self-hosted Supabase-compatible backend with an embedded analytical engine and agent runtime

    OHDSI/trex's past year of commit activity
    TypeScript 2 Apache-2.0 6 0 4 Updated Oct 2, 2026
  • Circepy Public

    [under development] A one to one python implementation of the circe-be cohort definition classes

    OHDSI/Circepy's past year of commit activity
    Python 6 1 11 2 Updated Oct 2, 2026
  • gaiaDB Public

    A staging database and collection of transformation recipes for public place-based datasets

    OHDSI/gaiaDB's past year of commit activity
    PLpgSQL 2 2 39 (1 issue needs help) 0 Updated Oct 2, 2026
  • 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 44 Apache-2.0 12 485 28 Updated Oct 2, 2026
  • trex-notebook Public

    Embeddable React notebook component with Python (Pyodide), R (WebR) support

    OHDSI/trex-notebook's past year of commit activity
    TypeScript 0 Apache-2.0 2 0 2 Updated Oct 2, 2026
  • CohortSymmetry Public
    OHDSI/CohortSymmetry's past year of commit activity
    R 2 Apache-2.0 0 23 (1 issue needs help) 0 Updated Oct 2, 2026
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