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@ecmwf

European Centre for Medium-Range Weather Forecasts

Providing software to work with meteorological data and services
README.md

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 326 21

  2. eccodes eccodes Public

    ECMWF's GRIB and BUFR decoding/encoding library

    C++ 274 113

  3. ecmwf-opendata ecmwf-opendata Public

    A package to download ECMWF open data

    Python 343 55

  4. ecflow ecflow Public

    ECMWF's workflow manager

    C++ 65 25

  5. anemoi-core anemoi-core Public

    Core packages for Anemoi.

    Python 174 127

Repositories

Showing 10 of 173 repositories
  • WeatherGenerator Public

    The repository of the WeatherGenerator project

    ecmwf/WeatherGenerator's past year of commit activity
    Python 151 Apache-2.0 92 492 (9 issues need help) 183 Updated Nov 15, 2026
  • multio Public

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

    ecmwf/multio's past year of commit activity
    Fortran 10 Apache-2.0 28 5 7 Updated Nov 15, 2026
  • ecmwf-multi-agents Public

    Multi-agent harness for opencode: one lead agent that decides, helpers that read, build and check

    ecmwf/ecmwf-multi-agents's past year of commit activity
    TypeScript 2 Apache-2.0 2 0 1 Updated Nov 15, 2026
  • downstream-ci Public
    ecmwf/downstream-ci's past year of commit activity
    Python 0 0 4 10 Updated Nov 15, 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 12 Apache-2.0 2 1 1 Updated Nov 15, 2026
  • 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++ 10 Apache-2.0 18 2 19 Updated Nov 14, 2026
  • anemoi-core Public

    Core packages for Anemoi.

    ecmwf/anemoi-core's past year of commit activity
    Python 174 Apache-2.0 127 96 (7 issues need help) 59 Updated Nov 14, 2026
  • ai-weather-quest Public

    Python code to support and participate in ECMWF-hosted AI Weather Quest

    ecmwf/ai-weather-quest's past year of commit activity
    Python 12 Apache-2.0 5 1 0 Updated Nov 14, 2026
  • eccodes Public

    ECMWF's GRIB and BUFR decoding/encoding library

    ecmwf/eccodes's past year of commit activity
    C++ 274 Apache-2.0 113 12 36 Updated Nov 14, 2026
  • eckit Public

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

    ecmwf/eckit's past year of commit activity
    C++ 31 Apache-2.0 29 8 13 Updated Nov 14, 2026
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