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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 539 268

  2. netcdf-java netcdf-java Public

    The Unidata netcdf-java library

    Java 157 74

  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 43 27

  4. MetPy MetPy Public

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

    Python 1.3k 425

  5. awips2 awips2 Public

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

    Java 186 69

  6. IDV IDV Public

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

    Java 82 37

Repositories

Showing 10 of 133 repositories
  • netcdf-fortran Public

    Official GitHub repository for netCDF-Fortran libraries, which depend on the netCDF C library. Install the netCDF C library first.

    Unidata/netcdf-fortran’s past year of commit activity
    Fortran 249 99 113 6 Updated Mar 18, 2025
  • docker-nctests Public

    Docker configuration files for building netCDF regression testing containers.

    Unidata/docker-nctests’s past year of commit activity
    Shell 5 2 0 0 Updated Mar 17, 2025
  • netcdf-c Public

    Official GitHub repository for netCDF-C libraries and utilities.

    Unidata/netcdf-c’s past year of commit activity
    C 539 BSD-3-Clause 268 259 18 Updated Mar 17, 2025
  • MetPy Public

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

    Unidata/MetPy’s past year of commit activity
    Python 1,300 BSD-3-Clause 425 314 (11 issues need help) 38 Updated Mar 17, 2025
  • cftime Public

    Time-handling functionality from netcdf4-python.

    Unidata/cftime’s past year of commit activity
    Python 80 MIT 39 15 (1 issue needs help) 1 Updated Mar 17, 2025
  • siphon Public

    Siphon - A collection of Python utilities for retrieving atmospheric and oceanic data from remote sources, focusing on being able to retrieve data from Unidata data technologies, such as the THREDDS data server.

    Unidata/siphon’s past year of commit activity
    Python 226 BSD-3-Clause 75 65 (2 issues need help) 13 Updated Mar 17, 2025
  • netcdf4-python Public

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

    Unidata/netcdf4-python’s past year of commit activity
    Cython 773 MIT 264 143 4 Updated Mar 17, 2025
  • 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 186 69 83 0 Updated Mar 15, 2025
  • tds Public

    THREDDS Data Server

    Unidata/tds’s past year of commit activity
    Java 72 BSD-3-Clause 27 26 (1 issue needs help) 1 Updated Mar 14, 2025
  • TdsConfig Public

    Contents of TDS configuration directories for several variants including a TDS serving all Unidata IDD data

    Unidata/TdsConfig’s past year of commit activity
    XSLT 6 13 11 (1 issue needs help) 0 Updated Mar 11, 2025
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