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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 315 20

  2. eccodes eccodes Public

    ECMWF's GRIB and BUFR decoding/encoding library

    C++ 272 110

  3. ecmwf-opendata ecmwf-opendata Public

    A package to download ECMWF open data

    Python 339 55

  4. ecflow ecflow Public

    ECMWF's workflow manager

    C++ 65 25

  5. anemoi-core anemoi-core Public

    Core packages for Anemoi.

    Python 164 120

Repositories

Showing 10 of 173 repositories
  • atlas Public

    A library for numerical weather prediction and climate modelling

    ecmwf/atlas's past year of commit activity
    C++ 153 Apache-2.0 50 20 10 Updated Oct 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++ 9 Apache-2.0 16 2 12 Updated Oct 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 26 4 4 Updated Oct 14, 2026
  • ecmwf-datastores-client Public

    ECMWF Data Stores Service (DSS) API Python client

    ecmwf/ecmwf-datastores-client's past year of commit activity
    Python 26 Apache-2.0 0 1 2 Updated Oct 14, 2026
  • fdb Public

    Fdb is a domain-specific object store for meteorological objects

    ecmwf/fdb's past year of commit activity
    C++ 43 Apache-2.0 16 13 13 Updated Oct 14, 2026
  • fckit Public

    A Fortran toolkit for interoperating Fortran with C/C++

    ecmwf/fckit's past year of commit activity
    Fortran 48 Apache-2.0 21 8 6 Updated Oct 14, 2026
  • anemoi-datasets Public

    Datasets for Machine Learning weather forecasting models

    ecmwf/anemoi-datasets's past year of commit activity
    Python 88 Apache-2.0 83 32 (1 issue needs help) 27 Updated Oct 14, 2026
  • eccodes Public

    ECMWF's GRIB and BUFR decoding/encoding library

    ecmwf/eccodes's past year of commit activity
    C++ 272 Apache-2.0 110 8 17 Updated Oct 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++ 30 Apache-2.0 27 8 11 Updated Oct 14, 2026
  • ecbuild Public

    A CMake-based build system, consisting of a collection of CMake macros and functions that ease the managing of software build systems

    ecmwf/ecbuild's past year of commit activity
    CMake 38 Apache-2.0 42 14 6 Updated Oct 14, 2026
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