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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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NSF Unidata Pause in Most Operations

Due to the current gap in continued funding from the U.S. National Science Foundation (NSF), the NSF Unidata Program Center has temporarily paused most operations. As a result, activity from Unidata Program Center staff on this repository will cease until after the temporary pause. See NSF Unidata Pause in Most Operations for details.

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 Public

    Official GitHub repository for netCDF-C libraries and utilities.

    C 549 277

  2. netcdf-java Public

    The Unidata netcdf-java library

    Java 166 74

  3. 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 45 27

  4. MetPy Public

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

    Python 1.3k 430

  5. awips2 Public

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

    Java 194 71

  6. IDV Public

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

    Java 85 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.

    Java 194 MIT 71 83 0 Updated Jun 14, 2025
  • IDV Public

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

    Java 85 37 11 6 Updated Jun 13, 2025
  • netcdf-c Public

    Official GitHub repository for netCDF-C libraries and utilities.

    C 549 BSD-3-Clause 277 270 19 Updated Jun 13, 2025
  • science-gateway Public

    Unidata Science Gateway on the NSF Jetstream2 Cloud

    Jupyter Notebook 20 BSD-3-Clause 13 6 9 Updated Jun 12, 2025
  • netcdf4-python Public

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

    Cython 783 MIT 267 144 4 Updated Jun 12, 2025
  • awips2-core Public
    Java 3 4 1 0 Updated Jun 11, 2025
  • awips2-nws Public

    AWIPS NWS Plugins

    Java 0 3 0 0 Updated Jun 11, 2025
  • awips2-goesr Public

    AWIPS GOES-R Plugins

    Java 2 4 2 0 Updated Jun 11, 2025
  • drilsdown Public

    Drawing Rich Integrated Lat-lon- time Samples from Datasets Online into Working Notebooks

    Jupyter Notebook 3 MIT 7 4 0 Updated Jun 10, 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.

    Python 233 BSD-3-Clause 75 68 (2 issues need help) 16 Updated Jun 10, 2025
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