Repositories list

• 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 …

  pythonnetcdfthredds+ 3

  pythonnetcdfthreddshacktoberfestthredds-catalogsunidata

  Python

  •

  BSD 3-Clause "New" or "Revised" License

  •7373 forks•242242 stars•7070 issues•1515 pull requests•Updated May 9, 2026May 9, 2026

• MetPy-benchmark

  Public
  Benchmarks for the MetPy project

  MIT License

  •22 forks•11 star•00 issues•00 pull requests•Updated May 9, 2026May 9, 2026

• netcdf-c

  Public
  Official GitHub repository for netCDF-C libraries and utilities.

  cnetcdfhacktoberfest+ 2

  cnetcdfhacktoberfestunidataunidata-netcdf

  C

  •

  BSD 3-Clause "New" or "Revised" License

  •294294 forks•592592 stars•265265 issues•2121 pull requests•Updated May 8, 2026May 8, 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.

  ansiblepackertds+ 2

  ansiblepackertdsthreddsnetcdf-java

  Shell

  •

  BSD 3-Clause "New" or "Revised" License

  •33 forks•00 stars•00 issues•00 pull requests•Updated May 6, 2026May 6, 2026

• MetPy

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

  pythonweathermeteorology+ 7

  pythonweathermeteorologyhodographskew-tweather-dataplottingscientific-computationsatmospheric-sciencehacktoberfest

  Python

  •

  BSD 3-Clause "New" or "Revised" License

  •447447 forks•1.4k1.4k stars•318318 issues•4545 pull requests•Updated May 5, 2026May 5, 2026

• netcdf

  Public
  NetCDF Users Group (NUG)

  CSS

  •

  MIT License

  •1313 forks•77 stars•2222 issues•33 pull requests•Updated May 1, 2026May 1, 2026

• gempak

  Public
  Analysis and product generation for meteorological data.

  weathersatelliteradar+ 11

  weathersatelliteradardata-visualizationmeteorologyforecastinggribnetcdf4unidatagoes+ 4

  C

  •

  BSD 3-Clause "New" or "Revised" License

  •3232 forks•8282 stars•4747 issues•22 pull requests•Updated May 1, 2026May 1, 2026

• 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 comp…

  C

  •

  Other

  •2929 forks•4949 stars•4646 issues•22 pull requests•Updated Apr 30, 2026Apr 30, 2026

• unidata-jekyll-theme

  Public
  A jekyll theme for Unidata documentation

  CSS

  •33 forks•00 stars•33 issues•00 pull requests•Updated Apr 30, 2026Apr 30, 2026

• netcdf-java

  Public
  The Unidata netcdf-java library

  javageodatageoscience+ 11

  javageodatageosciencenetcdfhdf5gribhacktoberfestnetcdf-javacdmncml+ 4

  Java

  •

  BSD 3-Clause "New" or "Revised" License

  •8282 forks•191191 stars•7878 issues•00 pull requests•Updated Apr 30, 2026Apr 30, 2026

• usg-devops

  Public
  Nushell

  •

  BSD 3-Clause "New" or "Revised" License

  •22 forks•00 stars•00 issues•11 pull request•Updated Apr 30, 2026Apr 30, 2026

• awips2

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

  pythonjavaspring+ 15

  pythonjavaspringpostgresqlfossdata-visualizationcavehibernatehdf5meteorology+ 8

  Java

  •

  MIT License

  •8383 forks•218218 stars•8383 issues•00 pull requests•Updated Apr 30, 2026Apr 30, 2026

• jenkins_pipelines

  Public
  Jenkinsfiles for Unidata projects.

  jenkinspipelinesjenkinsfiles

  jenkinspipelinesjenkinsfiles

  Logos

  •33 forks•00 stars•00 issues•00 pull requests•Updated Apr 29, 2026Apr 29, 2026

• UDUNITS-2

  Public
  API and utility for arithmetic manipulation of units of physical quantities

  C

  •

  Other

  •4040 forks•6767 stars•4949 issues•11 pull request•Updated Apr 28, 2026Apr 28, 2026

• cftime

  Public
  Time-handling functionality from netcdf4-python.

  timenetcdfcf-conventions+ 1

  timenetcdfcf-conventionsnetcdftime

  Python

  •

  MIT License

  •4444 forks•9393 stars•1515 issues•00 pull requests•Updated Apr 27, 2026Apr 27, 2026

• tds

  Public
  THREDDS Data Server

  javageodatageoscience+ 5

  javageodatageosciencegeospatial-datatdsthreddshacktoberfestthredds-catalogs

  Java

  •

  BSD 3-Clause "New" or "Revised" License

  •2828 forks•7979 stars•2929 issues•11 pull request•Updated Apr 27, 2026Apr 27, 2026

• netcdf4-python

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

  pythonnetcdfnetcdf4

  pythonnetcdfnetcdf4

  Cython

  •

  MIT License

  •271271 forks•826826 stars•152152 issues•00 pull requests•Updated Apr 26, 2026Apr 26, 2026

• ramadda-docker

  Public
  Dockerized RAMADDA

  dockergeoscience

  dockergeoscience

  Shell

  •

  BSD 3-Clause "New" or "Revised" License

  •22 forks•00 stars•11 issue•00 pull requests•Updated Apr 23, 2026Apr 23, 2026

• tomcat-docker

  Public
  Security-hardened Tomcat container for thredds-docker and ramadda-docker

  Shell

  •

  BSD 3-Clause "New" or "Revised" License

  •6969 forks•6666 stars•00 issues•11 pull request•Updated Apr 23, 2026Apr 23, 2026

• netcdf-fortran

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

  datasethacktoberfestunidata+ 2

  datasethacktoberfestunidatanetcdf-fortrannetcdf-library

  Fortran

  •

  Other

  •104104 forks•268268 stars•116116 issues•00 pull requests•Updated Apr 22, 2026Apr 22, 2026

• docker-nctests

  Public
  Docker configuration files for building netCDF regression testing containers.

  Shell

  •22 forks•55 stars•00 issues•00 pull requests•Updated Apr 22, 2026Apr 22, 2026

• TdsConfig

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

  tdsthreddstds-configuration+ 1

  tdsthreddstds-configurationhacktoberfest

  Jupyter Notebook

  •1212 forks•77 stars•1111 issues•00 pull requests•Updated Apr 15, 2026Apr 15, 2026

• pinned-actions-verifier

  Public
  Ensure your GitHub Actions workflows are secure by verifying that all external actions are pinned to a full commit SHA that exists on the default branch of the …

  Shell

  •

  BSD 3-Clause "New" or "Revised" License

  •11 fork•00 stars•00 issues•00 pull requests•Updated Apr 15, 2026Apr 15, 2026

• IDV

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

  Java

  •

  Other

  •3838 forks•9090 stars•1111 issues•66 pull requests•Updated Apr 3, 2026Apr 3, 2026

• threddsIso

  Public
  A THREDDS Data Server extension which generates NCML, a metadata rubric, and ISO 19115.

  XSLT

  •1616 forks•66 stars•1414 issues•22 pull requests•Updated Mar 13, 2026Mar 13, 2026

• usg-jupyter-configs

  Public
  BSD 3-Clause "New" or "Revised" License

  •11 fork•00 stars•00 issues•00 pull requests•Updated Mar 11, 2026Mar 11, 2026

• usg-vm-stacks

  Public
  BSD 3-Clause "New" or "Revised" License

  •22 forks•00 stars•00 issues•00 pull requests•Updated Mar 10, 2026Mar 10, 2026

• edal-java

  Public
  Environmental Data Abstraction Layer libraries and ncWMS.

  Java

  •

  Other

  •3232 forks•33 stars•00 issues•00 pull requests•Updated Mar 3, 2026Mar 3, 2026

• science-gateway

  Public
  Unidata Science Gateway on the NSF Jetstream2 Cloud

  geosciencejupyterhubcloud-computing+ 6

  geosciencejupyterhubcloud-computingatmospheric-sciencensfesciencensf-accessnsf-unidatascience-gateway

  Jupyter Notebook

  •

  BSD 3-Clause "New" or "Revised" License

  •1313 forks•2020 stars•66 issues•1313 pull requests•Updated Feb 13, 2026Feb 13, 2026

• .github

  Public
  Repository to hold default community health files for your organization

  22 forks•00 stars•00 issues•00 pull requests•Updated Feb 12, 2026Feb 12, 2026