Skip to content
@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

Pinned Loading

  1. earthkit earthkit Public

    Python tools to work with weather and climate data

    Python 197 11

  2. eccodes eccodes Public

    ECMWF's GRIB and BUFR decoding/encoding library

    C++ 253 98

  3. ecmwf-opendata ecmwf-opendata Public

    A package to download ECMWF open data

    Python 303 48

  4. ecflow ecflow Public

    ECMWF's workflow manager

    C++ 59 17

  5. anemoi-core anemoi-core Public

    Core packages for Anemoi.

    Python 119 85

Repositories

Showing 10 of 156 repositories
  • ecmwf/polytope-server’s past year of commit activity
    Python 7 Apache-2.0 4 6 5 Updated Mar 23, 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
    TypeScript 10 Apache-2.0 6 32 9 Updated Mar 23, 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 4 Updated Mar 23, 2026
  • anemoi-core Public

    Core packages for Anemoi.

    ecmwf/anemoi-core’s past year of commit activity
    Python 119 Apache-2.0 85 132 (6 issues need help) 40 Updated Mar 23, 2026
  • auth-o-tron Public
    ecmwf/auth-o-tron’s past year of commit activity
    Rust 2 Apache-2.0 0 1 0 Updated Mar 23, 2026
  • ecmwf/polytope-chart’s past year of commit activity
    0 Apache-2.0 2 0 2 Updated Mar 23, 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 9 Updated Mar 23, 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 14 1 Updated Mar 23, 2026
  • ecflow Public

    ECMWF's workflow manager

    ecmwf/ecflow’s past year of commit activity
    C++ 59 Apache-2.0 17 15 10 Updated Mar 23, 2026
  • downstream-ci Public
    ecmwf/downstream-ci’s past year of commit activity
    Python 0 0 3 4 Updated Mar 23, 2026