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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 311 19

  2. eccodes eccodes Public

    ECMWF's GRIB and BUFR decoding/encoding library

    C++ 268 107

  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++ 64 24

  5. anemoi-core anemoi-core Public

    Core packages for Anemoi.

    Python 162 111

Repositories

Showing 10 of 168 repositories
  • metkit Public

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

    C++ 9 Apache-2.0 15 1 13 Updated Sep 4, 2026
  • earthkit-data Public

    A format-agnostic Python interface for geospatial data

    ecmwf/earthkit-data's past year of commit activity
    Python 120 Apache-2.0 32 60 13 Updated Sep 4, 2026
  • anemoi-core Public

    Core packages for Anemoi.

    ecmwf/anemoi-core's past year of commit activity
    Python 162 Apache-2.0 111 94 (7 issues need help) 52 Updated Sep 4, 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

    CMake 39 Apache-2.0 41 13 5 Updated Sep 4, 2026
  • ecquote Public
    ecmwf/ecquote's past year of commit activity
    Python 3 Apache-2.0 1 0 0 Updated Sep 4, 2026
  • gribjump Public
    ecmwf/gribjump's past year of commit activity
    C++ 6 Apache-2.0 1 2 7 Updated Sep 4, 2026
  • eccodes Public

    ECMWF's GRIB and BUFR decoding/encoding library

    ecmwf/eccodes's past year of commit activity
    C++ 268 Apache-2.0 107 6 17 Updated Sep 4, 2026
  • ecflow Public

    ECMWF's workflow manager

    ecmwf/ecflow's past year of commit activity
    C++ 64 Apache-2.0 24 9 7 Updated Sep 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++ 30 Apache-2.0 27 4 9 Updated Sep 4, 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 12 14 Updated Sep 4, 2026