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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 509

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

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

    PLpgSQL 272 75

  3. Atlas Atlas Public

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

    JavaScript 321 154

  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 35

  5. CohortMethod CohortMethod Public

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

    R 89 68

  6. PatientLevelPrediction PatientLevelPrediction Public

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

    R 220 95

Repositories

Showing 10 of 389 repositories
  • Strategus Public

    An R package for coordinating and executing analytics using HADES modules

    OHDSI/Strategus's past year of commit activity
    R 12 14 34 7 Updated Sep 22, 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 43 Apache-2.0 12 454 44 Updated Sep 22, 2026
  • Keeper Public

    A tool to support case validation

    OHDSI/Keeper's past year of commit activity
    R 10 5 5 1 Updated Sep 22, 2026
  • DatabaseConnector Public

    An R package for connecting to databases using JDBC.

    OHDSI/DatabaseConnector's past year of commit activity
    R 57 93 21 (1 issue needs help) 2 Updated Sep 22, 2026
  • ROhdsiWebApi Public

    An R package for interfacing with a WebAPI instance

    OHDSI/ROhdsiWebApi's past year of commit activity
    R 10 16 34 3 Updated Sep 22, 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 10 2 Updated Sep 22, 2026
  • ohdsi-uk Public
    OHDSI/ohdsi-uk's past year of commit activity
    R 0 1 1 0 Updated Sep 22, 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 4 0 2 Updated Sep 21, 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 151 Apache-2.0 183 137 (1 issue needs help) 32 Updated Sep 21, 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 5 1 Updated Sep 21, 2026
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