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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 483

  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 302 147

  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 69

  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 8 243 40 Updated Jan 19, 2026
  • WebAPI Public

    OHDSI WebAPI contains all OHDSI services that can be called from OHDSI applications

    OHDSI/WebAPI’s past year of commit activity
    Java 143 Apache-2.0 178 133 (1 issue needs help) 26 Updated Jan 19, 2026
  • Atlas3 Public

    [under development]

    OHDSI/Atlas3’s past year of commit activity
    TypeScript 0 0 0 0 Updated Jan 19, 2026
  • ohdsi-uk Public
    OHDSI/ohdsi-uk’s past year of commit activity
    R 0 1 1 0 Updated Jan 19, 2026
  • Hecate Public
    OHDSI/Hecate’s past year of commit activity
    TypeScript 9 Apache-2.0 0 2 0 Updated Jan 18, 2026
  • drat Public

    drat repository for OHDSI R packages

    OHDSI/drat’s past year of commit activity
    5 7 0 0 Updated Jan 17, 2026
  • DataQualityDashboard Public

    A tool to help improve data quality standards in observational data science.

    OHDSI/DataQualityDashboard’s past year of commit activity
    JavaScript 170 105 46 6 Updated Jan 17, 2026
  • trex Public

    [Under development] Trex is the runtime for the D2E platform

    OHDSI/trex’s past year of commit activity
    Rust 2 MIT 0 0 0 Updated Jan 17, 2026
  • ClinicalCharacteristics Public

    [under development] table shell approach to OMOP characterization

    OHDSI/ClinicalCharacteristics’s past year of commit activity
    R 2 Apache-2.0 5 12 1 Updated Jan 16, 2026
  • Keeper Public

    A tool to support case validation

    OHDSI/Keeper’s past year of commit activity
    R 6 2 3 0 Updated Jan 16, 2026