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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 302 149

  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 8 235 34 Updated Jan 14, 2026
  • Capr Public

    Cohort definition Application Programming in R

    OHDSI/Capr’s past year of commit activity
    R 18 Apache-2.0 17 13 3 Updated Jan 14, 2026
  • Atlas3 Public

    [under development]

    OHDSI/Atlas3’s past year of commit activity
    TypeScript 0 0 0 1 Updated Jan 14, 2026
  • PatientLevelPrediction Public

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

    OHDSI/PatientLevelPrediction’s past year of commit activity
    R 212 91 42 (1 issue needs help) 6 Updated Jan 14, 2026
  • Keeper Public

    A tool to support case validation

    OHDSI/Keeper’s past year of commit activity
    R 6 2 3 0 Updated Jan 14, 2026
  • OHDSI/MeasurementDiagnostics’s past year of commit activity
    R 1 Apache-2.0 2 14 2 Updated Jan 14, 2026
  • Vocabulary-v5.0 Public

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

    OHDSI/Vocabulary-v5.0’s past year of commit activity
    PLpgSQL 257 Unlicense 75 245 12 Updated Jan 14, 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 14, 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 14, 2026
  • ohdsi-uk Public
    OHDSI/ohdsi-uk’s past year of commit activity
    R 0 1 1 0 Updated Jan 14, 2026