repository.nced.umn.edu
Search engineering data collections and supporting datasets from USA.
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Recently added to the directory
Browse dated community launches and imported or editorial directory additions.
ncar.ucar.edu
The NSF National Center for Atmospheric Research is sponsored by the U.S. National Science Foundation and managed by the University Corporation for Atmospheric Research. It conducts research in Earth system science, with a 2025-2029 strategic plan and resources including OpenSky and publications.
facs.org
Find and access hematology, oncology research data, with indexed datasets.
nbnatlas.org
The NBN Atlas is a free online tool hosting the UK's largest collection of biodiversity information, enabling data to be shared, analysed and researched. It holds more than 387 million species occurrence records, covers marine and terrestrial species, and allows users to interrogate species records and download distribution maps.
maps.biodiversityireland.ie
Biodiversity Maps is the National Biodiversity Data Centre's mapping system, integrating terrestrial and marine observational data. It serves as a portal for geographic presentation of Ireland's biological data and compiles biodiversity records from multiple sources, making them freely available online.
pla.caas.cn
Dataset repository covering biology, with searchable datasets.
chinare.org.cn
Searchable repository for finding atmospheric, oceanography and climate datasets and observational data.
The National Archive of Marine Seismic Surveys is a USGS data website presenting marine seismic reflection data within the United States. Visitors can click the map to select nearby surveys, mouse over survey names to highlight surveys, filter surveys by keyword and open individual survey pages for data and information.
nabrc.org.cn
Search basic in biology and medicine data collections and supporting datasets from CHN.
iandc.pnra.aq
Search atmospheric, oceanography and climate data collections and supporting datasets from ITA.
3d.humanities.science
Browse research datasets and datasets related to humanities and social.
data.nashville.gov
Public data portal for browsing datasets from Nashville, TN.
arabidopsis.info
The Eurasian Arabidopsis Stock Centre (uNASC) is a stock centre offering search and browsing of stocks, seed ordering and seed donation. From January 1st, 2021, seed orders from EU customers require a phytosanitary certificate. Prices, ordering, tracking and material transfer agreements are provided.
irsa.ipac.caltech.edu
The NASA/IPAC InfraRed Science Archive (IRSA) curates and provides access to science products from NASA's infrared and submillimeter missions. It offers search functionality for source catalogs from missions including WISE, 2MASS, Spitzer, Planck, Herschel, Gaia, and others, along with contributed datasets, documentation, and user support resources including a guide for solar system observers.
ned.ipac.caltech.edu
The NASA/IPAC Extragalactic Database is a database of extragalactic sources drawn from the astronomical literature. Its September 2026 release highlights note ingestion of 221K sources, including 157K cross-matches with NED objects and 63K new objects, and describe suggested data publication practices for journal articles.
psi.nasa.gov
Searchable repository for finding chemistry datasets and compiled data.
nlsp.nasa.gov
Dataset repository covering astrophysics and astronomy, with searchable datasets.
nasa.gov
Search atmospheric, oceanography and climate data collections and supporting dataset from USA.
mce2.org
NARSTO is a public and private partnership established in 1995 by representatives of Canada, the United States, and Mexico to improve air quality management in North America. It maintains the Quality Systems Science Center and the NARSTO Data Archive, which store data from affiliated research activities and make them available to the scientific community.
data.nantesmetropole.fr
Search a government or civic data catalog for reusable public information.
nandy-grandparissud.opendatasoft.com
Open data portal for searching and downloading public datasets.
nanaimo.ca
Dataset repository covering engineering, with searchable datasets.
nakala.fr
Research data portal for exploring humanities and social records, including image.
nacka.se
Find published open datasets through filters, categories and keyword search.