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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 192 10

  2. eccodes eccodes Public

    ECMWF's GRIB and BUFR decoding/encoding library

    C++ 250 97

  3. ecmwf-opendata ecmwf-opendata Public

    A package to download ECMWF open data

    Python 297 47

  4. ecflow ecflow Public

    ECMWF's workflow manager

    C++ 57 17

  5. anemoi-core anemoi-core Public

    Core packages for Anemoi.

    Python 115 82

Repositories

Showing 10 of 155 repositories
  • metkit Public

    Toolkit for manipulating and describing meteorological objects, implementing the MARS language and associated processing and semantics.

    ecmwf/metkit’s past year of commit activity
    C++ 7 Apache-2.0 11 1 9 Updated Mar 5, 2026
  • anemoi-datasets Public

    Datasets for Machine Learning weather forecasting models

    ecmwf/anemoi-datasets’s past year of commit activity
    Python 64 Apache-2.0 59 70 (1 issue needs help) 15 Updated Mar 4, 2026
  • anemoi-core Public

    Core packages for Anemoi.

    ecmwf/anemoi-core’s past year of commit activity
    Python 115 Apache-2.0 82 137 (6 issues need help) 37 Updated Mar 4, 2026
  • anemoi-inference Public

    Inference of Machine Learning weather forecasting models

    ecmwf/anemoi-inference’s past year of commit activity
    Python 35 Apache-2.0 29 12 (2 issues need help) 7 Updated Mar 4, 2026
  • earthkit-transforms Public

    A library of software tools to support people working with climate and meteorology data

    ecmwf/earthkit-transforms’s past year of commit activity
    Python 8 Apache-2.0 1 15 1 Updated Mar 4, 2026
  • eccodes Public

    ECMWF's GRIB and BUFR decoding/encoding library

    ecmwf/eccodes’s past year of commit activity
    C++ 250 Apache-2.0 97 3 10 Updated Mar 4, 2026
  • WeatherGenerator Public

    The repository of the WeatherGenerator project

    ecmwf/WeatherGenerator’s past year of commit activity
    Python 108 Apache-2.0 58 320 (9 issues need help) 63 Updated Mar 4, 2026
  • earthkit-plots Public

    Visualisation tools and templates designed for earth science data.

    ecmwf/earthkit-plots’s past year of commit activity
    Python 19 Apache-2.0 8 15 3 Updated Mar 4, 2026
  • ecflow Public

    ECMWF's workflow manager

    ecmwf/ecflow’s past year of commit activity
    C++ 57 Apache-2.0 17 12 9 Updated Mar 4, 2026
  • eckit Public

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

    ecmwf/eckit’s past year of commit activity
    C++ 29 Apache-2.0 28 3 7 Updated Mar 4, 2026