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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 Public

    Official GitHub repository for netCDF-C libraries and utilities.

    C 537 267

  2. netcdf-java Public

    The Unidata netcdf-java library

    Java 157 73

  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 43 27

  4. MetPy Public

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

    Python 1.3k 423

  5. awips2 Public

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

    Java 184 69

  6. IDV Public

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

    Java 81 37

Repositories

Showing 10 of 133 repositories
  • awips2 Public

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

    Java 184 69 83 0 Updated Mar 12, 2025
  • TdsConfig Public

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

    XSLT 6 13 11 (1 issue needs help) 0 Updated Mar 11, 2025
  • MetPy Public

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

    Python 1,294 BSD-3-Clause 423 314 (11 issues need help) 37 Updated Mar 11, 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 225 BSD-3-Clause 75 65 (2 issues need help) 9 Updated Mar 11, 2025
  • MLscratchpad Public
    Jupyter Notebook 3 MIT 4 0 0 Updated Mar 11, 2025
  • cftime Public

    Time-handling functionality from netcdf4-python.

    Python 80 MIT 39 15 (1 issue needs help) 0 Updated Mar 11, 2025
  • IDV Public

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

    Java 81 37 11 6 Updated Mar 10, 2025
  • netcdf-java Public

    The Unidata netcdf-java library

    Java 157 BSD-3-Clause 73 71 (3 issues need help) 0 Updated Mar 10, 2025
  • thredds-test-environment Public

    A packer + ansible project to build and deploy an Amazon Machine Image and Docker Container for use by the various THREDDS projects at Unidata for running automated tests.

    Shell 0 BSD-3-Clause 4 0 0 Updated Mar 10, 2025
  • metpy-mondays Public
    Jupyter Notebook 12 1 1 0 Updated Mar 10, 2025
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