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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 179 9

  2. eccodes eccodes Public

    ECMWF's GRIB and BUFR decoding/encoding library

    C++ 246 97

  3. ecmwf-opendata ecmwf-opendata Public

    A package to download ECMWF open data

    Python 289 43

  4. ecflow ecflow Public

    ECMWF's workflow manager

    C++ 56 16

  5. anemoi-core anemoi-core Public

    Core packages for Anemoi.

    Python 102 74

Repositories

Showing 10 of 153 repositories
  • anemoi-core Public

    Core packages for Anemoi.

    ecmwf/anemoi-core’s past year of commit activity
    Python 102 Apache-2.0 74 129 (7 issues need help) 34 Updated Jan 20, 2026
  • WeatherGenerator Public

    The repository of the WeatherGenerator project

    ecmwf/WeatherGenerator’s past year of commit activity
    Python 97 Apache-2.0 51 256 (13 issues need help) 31 Updated Jan 20, 2026
  • ecmwf/anemoi-datasets’s past year of commit activity
    Python 60 Apache-2.0 52 66 (1 issue needs help) 15 Updated Jan 20, 2026
  • eckit Public

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

    ecmwf/eckit’s past year of commit activity
    C++ 28 Apache-2.0 27 4 8 Updated Jan 20, 2026
  • eccodes Public

    ECMWF's GRIB and BUFR decoding/encoding library

    ecmwf/eccodes’s past year of commit activity
    C++ 246 Apache-2.0 97 3 10 Updated Jan 20, 2026
  • ecmwf/earthkit-workflows’s past year of commit activity
    Python 5 Apache-2.0 0 0 3 Updated Jan 20, 2026
  • forecast-in-a-box Public

    Forecast-In-A-Box is a prototype system to integrate ECMWF ML Models and products into a self contained box

    ecmwf/forecast-in-a-box’s past year of commit activity
    Python 6 Apache-2.0 4 32 4 Updated Jan 20, 2026
  • 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 7 Apache-2.0 2 0 0 Updated Jan 20, 2026
  • mir Public
    ecmwf/mir’s past year of commit activity
    C++ 8 Apache-2.0 4 1 3 Updated Jan 20, 2026
  • ecmwf/anemoi-inference’s past year of commit activity
    Python 33 Apache-2.0 26 13 (2 issues need help) 9 Updated Jan 20, 2026