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@ecmwf

European Centre for Medium-Range Weather Forecasts

Providing software to work with meteorological data and services

Welcome to ECMWF GitHub!

ECMWF is the European Centre for Medium-Range Weather Forecasts.

Have a look at some of our popular topics:

  • earthkit for weather and climate tools in Python
  • anemoi for developing machine learning weather forecasting models
  • ecflow for workflow management
  • mars for data handling software and services

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  1. earthkit earthkit Public

    Python tools to work with weather and climate data

    Python 107 6

  2. eccodes eccodes Public

    ECMWF's GRIB and BUFR decoding/encoding library

    C++ 218 92

  3. ecmwf-opendata ecmwf-opendata Public

    A package to download ECMWF open data

    Python 229 35

  4. ecflow ecflow Public

    ECMWF's workflow manager

    C++ 46 15

  5. anemoi-core anemoi-core Public

    Core packages for Anemoi.

    Python 50 26

Repositories

Showing 10 of 142 repositories
  • earthkit-hydro Public

    A Python library for common hydrological functions

    ecmwf/earthkit-hydro’s past year of commit activity
    Python 10 Apache-2.0 1 20 7 Updated Jun 14, 2025
  • multio Public

    MultIO is a runtime-configurable multiplexer for Weather Model output of GRIB data

    ecmwf/multio’s past year of commit activity
    Fortran 9 Apache-2.0 16 3 5 Updated Jun 14, 2025
  • open-ecpds Public

    OpenECPDS boosts the efficiency and productivity of data services by using proven and innovative technologies. It offers a portable, adaptable application for diverse environments, with a user-friendly tool for managing data acquisition, dissemination with push/pull mechanisms, and a notification system, all using standard protocols.

    ecmwf/open-ecpds’s past year of commit activity
    Java 4 Apache-2.0 1 0 0 Updated Jun 14, 2025
  • eckit Public

    A C++ toolkit that supports development of tools and applications at ECMWF.

    ecmwf/eckit’s past year of commit activity
    C++ 27 Apache-2.0 27 9 10 Updated Jun 13, 2025
  • earthkit-data Public

    A format-agnostic Python interface for geospatial data

    ecmwf/earthkit-data’s past year of commit activity
    Python 71 Apache-2.0 21 39 7 Updated Jun 13, 2025
  • odc Public

    Package to read/write ODB data

    ecmwf/odc’s past year of commit activity
    C++ 8 Apache-2.0 8 6 8 Updated Jun 13, 2025
  • fdb Public

    Fdb is a domain-specific object store for meteorological objects

    ecmwf/fdb’s past year of commit activity
    C++ 33 Apache-2.0 12 14 9 Updated Jun 13, 2025
  • ecmwf/earthkit-regrid’s past year of commit activity
    Python 3 1 4 2 Updated Jun 13, 2025
  • pyflow-wellies Public

    A set of tools to build consistent pyflow suites.

    ecmwf/pyflow-wellies’s past year of commit activity
    Python 1 Apache-2.0 2 5 3 Updated Jun 13, 2025
  • ecmwf/WeatherGenerator’s past year of commit activity
    Python 54 Apache-2.0 22 100 (10 issues need help) 10 Updated Jun 13, 2025