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NSF Unidata

Our mission is to transform the geosciences community, research, and education by providing innovative data services and tools.
README.md

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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 607 307

  2. netcdf-java netcdf-java Public

    The Unidata netcdf-java library

    Java 200 88

  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 454

  5. awips2 awips2 Public

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

    Java 229 83

  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
  • 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 Oct 15, 2026
  • netcdf4-python Public

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

    Unidata/netcdf4-python's past year of commit activity
    Python 841 MIT 278 154 0 Updated Oct 15, 2026
  • cftime Public

    Time-handling functionality from netcdf4-python.

    Unidata/cftime's past year of commit activity
    Python 96 MIT 47 17 (1 issue needs help) 1 Updated Oct 14, 2026
  • UDUNITS-2 Public

    API and utility for arithmetic manipulation of units of physical quantities

    Unidata/UDUNITS-2's past year of commit activity
    C 71 42 51 3 Updated Oct 14, 2026
  • 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 229 MIT 83 84 2 Updated Oct 14, 2026
  • tds Public

    THREDDS Data Server

    Unidata/tds's past year of commit activity
    Java 83 BSD-3-Clause 27 27 (1 issue needs help) 1 Updated Oct 14, 2026
  • thredds-test-environment Public

    A packer + ansible project to build Docker images for use by the various THREDDS projects at Unidata for running automated tests on Jenkins and GitHub Actions.

    Unidata/thredds-test-environment's past year of commit activity
    Shell 0 BSD-3-Clause 3 0 0 Updated Oct 13, 2026
  • 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 1,449 BSD-3-Clause 454 326 (11 issues need help) 76 Updated Oct 13, 2026
  • 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 245 BSD-3-Clause 74 71 (2 issues need help) 12 Updated Oct 13, 2026
  • usg-devops Public

    Scripts, tools, and containers used in provisioning, monitoring, and managing NSF Unidata Science Gateway resources

    Unidata/usg-devops's past year of commit activity
    Nushell 0 BSD-3-Clause 2 2 2 Updated Oct 8, 2026
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