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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 258 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 62 Updated Jan 5, 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 142 Apache-2.0 178 131 (1 issue needs help) 27 Updated Jan 5, 2026
  • ohdsi-uk Public
    OHDSI/ohdsi-uk’s past year of commit activity
    R 0 1 1 0 Updated Jan 5, 2026
  • Tidy-R-programming-with-OMOP Public

    Tidy R programming with the OMOP common data model

    OHDSI/Tidy-R-programming-with-OMOP’s past year of commit activity
    Lua 18 1 10 1 Updated Jan 4, 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 4, 2026
  • Broadsea Public

    Broadsea deploys the core OHDSI technology stack (Atlas & R Hades), using cross-platform Docker container technology.

    OHDSI/Broadsea’s past year of commit activity
    R 87 Apache-2.0 71 16 3 Updated Jan 4, 2026
  • Broadsea-Hades Public

    [under development]

    OHDSI/Broadsea-Hades’s past year of commit activity
    Shell 0 Apache-2.0 4 0 0 Updated Jan 4, 2026
  • ClinicalCharacteristics Public

    [under development] table shell approach to OMOP characterization

    OHDSI/ClinicalCharacteristics’s past year of commit activity
    R 1 Apache-2.0 5 12 1 Updated Jan 3, 2026
  • Capr Public

    Cohort definition Application Programming in R

    OHDSI/Capr’s past year of commit activity
    R 17 Apache-2.0 17 12 4 Updated Jan 3, 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 2, 2026