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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 546 272

  2. netcdf-java netcdf-java Public

    The Unidata netcdf-java library

    Java 161 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 44 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 427

  5. awips2 awips2 Public

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

    Java 188 70

  6. IDV IDV Public

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

    Java 84 37

Repositories

Showing 10 of 134 repositories
  • 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 188 MIT 70 83 0 Updated Apr 29, 2025
  • netcdf-java Public

    The Unidata netcdf-java library

    Unidata/netcdf-java’s past year of commit activity
    Java 161 BSD-3-Clause 74 71 (2 issues need help) 0 Updated Apr 29, 2025
  • 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 84 37 11 6 Updated Apr 28, 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 229 BSD-3-Clause 75 66 (2 issues need help) 11 Updated Apr 28, 2025
  • supervised-ml-readiness Public

    Machine Learning in the Earth Systems Sciences

    Unidata/supervised-ml-readiness’s past year of commit activity
    Jupyter Notebook 1 Apache-2.0 1 0 0 Updated Apr 28, 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 1,310 BSD-3-Clause 427 313 (11 issues need help) 36 Updated Apr 28, 2025
  • cftime Public

    Time-handling functionality from netcdf4-python.

    Unidata/cftime’s past year of commit activity
    Python 82 MIT 40 15 (1 issue needs help) 1 Updated Apr 28, 2025
  • netcdf4-python Public

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

    Unidata/netcdf4-python’s past year of commit activity
    Cython 777 MIT 265 144 5 Updated Apr 28, 2025
  • tds Public

    THREDDS Data Server

    Unidata/tds’s past year of commit activity
    Java 73 BSD-3-Clause 27 26 (1 issue needs help) 1 Updated Apr 26, 2025
  • netcdf-c Public

    Official GitHub repository for netCDF-C libraries and utilities.

    Unidata/netcdf-c’s past year of commit activity
    C 546 BSD-3-Clause 272 264 14 Updated Apr 24, 2025
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