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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 604 302

  2. netcdf-java netcdf-java Public

    The Unidata netcdf-java library

    Java 200 86

  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 50 29

  4. MetPy MetPy Public

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

    Python 1.4k 449

  5. awips2 awips2 Public

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

    Java 227 84

  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
  • netcdf Public

    NetCDF Users Group (NUG)

    Unidata/netcdf's past year of commit activity
    CSS 9 MIT 15 22 2 Updated Sep 18, 2026
  • netcdf-java Public

    The Unidata netcdf-java library

    Unidata/netcdf-java's past year of commit activity
    Java 200 BSD-3-Clause 86 71 (2 issues need help) 2 Updated Sep 17, 2026
  • netcdf-c Public

    Official GitHub repository for netCDF-C libraries and utilities.

    Unidata/netcdf-c's past year of commit activity
    C 604 BSD-3-Clause 302 264 22 Updated Sep 17, 2026
  • tomcat-docker Public

    Security-hardened Tomcat container for thredds-docker.

    Unidata/tomcat-docker's past year of commit activity
    Shell 67 BSD-3-Clause 69 1 1 Updated Sep 17, 2026
  • IDV Public

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

    Unidata/IDV's past year of commit activity
    Java 92 38 11 6 Updated Sep 17, 2026
  • tds Public

    THREDDS Data Server

    Unidata/tds's past year of commit activity
    Java 83 BSD-3-Clause 27 28 (1 issue needs help) 1 Updated Sep 17, 2026
  • cftime Public

    Time-handling functionality from netcdf4-python.

    Unidata/cftime's past year of commit activity
    Python 96 MIT 45 16 (1 issue needs help) 1 Updated Sep 16, 2026
  • netcdf4-python-manylinux Public

    Adding netcdf to manylinux images for building Linux packages

    Unidata/netcdf4-python-manylinux's past year of commit activity
    Shell 0 BSD-3-Clause 1 0 1 Updated Sep 16, 2026
  • netcdf4-python Public

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

    Unidata/netcdf4-python's past year of commit activity
    Cython 837 MIT 273 155 1 Updated Sep 16, 2026
  • python-awips Public

    A framework for querying AWIPS meteorological datasets from an EDEX Data Server.

    Unidata/python-awips's past year of commit activity
    Python 48 24 6 3 Updated Sep 15, 2026
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