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NSF Unidata

Our mission is to transform the geosciences community, research, and education by providing innovative data services and tools.
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What is NSF Unidata?

U.S. National Science Foundation Unidata is a diverse community of education and research institutions with the common goal of sharing geoscience data and the tools to access and visualize that data. For more than 35 years, NSF Unidata has been providing data, software tools, and support to enhance Earth-system education and research. Funded primarily by the U.S. National Science Foundation, NSF Unidata is one of the University Corporation for Atmospheric Research (UCAR)'s Community Programs (UCP).

NSF Unidata's GitHub repositories contain code for software projects created or maintained by developers at the NSF Unidata Program Center. We actively encourage contributions to these projects in the form of issues and pull requests.

Participant Code of Conduct

If you're interested in contributing, please take a look at NSF Unidata's Contributor Code of Conduct.

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  1. netcdf-c netcdf-c Public

    Official GitHub repository for netCDF-C libraries and utilities.

    C 607 307

  2. netcdf-java netcdf-java Public

    The Unidata netcdf-java library

    Java 200 88

  3. LDM LDM Public

    The Unidata Local Data Manager (LDM) system includes network client and server programs designed for event-driven data distribution, and is the fundamental component of the Unidata Internet Data Di…

    C 52 29

  4. MetPy MetPy Public

    MetPy is a collection of tools in Python for reading, visualizing and performing calculations with weather data.

    Python 1.5k 456

  5. awips2 awips2 Public

    Weather forecasting display and analysis package developed by NWS/Raytheon, released as open source software by Unidata.

    Java 231 83

  6. IDV IDV Public

    The Integrated Data Viewer (IDV) from Unidata is a framework for analyzing and displaying geoscience data.

    Java 92 38

Repositories

Showing 10 of 132 repositories
  • metpy-mondays Public
    Unidata/metpy-mondays's past year of commit activity
    Jupyter Notebook 15 2 1 0 Updated Oct 21, 2026
  • tds Public

    THREDDS Data Server

    Unidata/tds's past year of commit activity
    Java 83 BSD-3-Clause 27 26 (1 issue needs help) 1 Updated Oct 21, 2026
  • netcdf4-python Public

    netcdf4-python: python/numpy interface to the netCDF C library

    Unidata/netcdf4-python's past year of commit activity
    Python 841 MIT 278 156 1 Updated Oct 21, 2026
  • netcdf-c Public

    Official GitHub repository for netCDF-C libraries and utilities.

    Unidata/netcdf-c's past year of commit activity
    C 607 BSD-3-Clause 307 266 26 Updated Oct 21, 2026
  • supervised-ml-readiness Public

    Machine Learning in the Earth Systems Sciences

    Unidata/supervised-ml-readiness's past year of commit activity
    Jupyter Notebook 2 Apache-2.0 2 0 0 Updated Oct 20, 2026
  • cftime Public

    Time-handling functionality from netcdf4-python.

    Unidata/cftime's past year of commit activity
    Python 97 MIT 47 16 (1 issue needs help) 1 Updated Oct 20, 2026
  • awips2 Public

    Weather forecasting display and analysis package developed by NWS/Raytheon, released as open source software by Unidata.

    Unidata/awips2's past year of commit activity
    Java 231 MIT 83 82 2 Updated Oct 20, 2026
  • tdm-docker Public

    Dockerized TDM

    Unidata/tdm-docker's past year of commit activity
    Shell 4 BSD-3-Clause 7 0 0 Updated Oct 19, 2026
  • thredds-docker Public

    Dockerized THREDDS

    Unidata/thredds-docker's past year of commit activity
    Dockerfile 40 BSD-3-Clause 32 1 0 Updated Oct 19, 2026
  • netcdf-java Public

    The Unidata netcdf-java library

    Unidata/netcdf-java's past year of commit activity
    Java 200 BSD-3-Clause 88 71 (2 issues need help) 2 Updated Oct 19, 2026
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