The Best The National Archives Alternatives in 2026

NASA’s Infrared Science Archive curates science products from infrared and submillimeter missions, with catalog and contributed dataset search.

Yareta lets Geneva higher education institutions search, deposit, and archive research data and publications.

Canada’s National Earthquake Database combines raw seismograph data, measurements, and derived parameters from national seismic networks.

Bern's Open Government Data site organizes public datasets by topic for visitors to explore.

Tyrol’s open government data portal lets users search datasets by topic, keyword, or format and provides a separate GIS data portal.

The Canton of Aargau’s open government data portal provides a central access point for the canton’s open data.

The Basel-Stadt data portal provides free access to open government datasets published by the canton’s public bodies.

Graz's open government data page organizes datasets by topics including finance, population, government, environment, education, and health.

Marine Scotland’s data publishing portal lets visitors search or browse groups to locate marine datasets.

opendata.swiss organizes public datasets by topics including population, education, environment, health, transport, and finance.

ImmPort Shared Data supports searching and downloading biomedical research data funded by NIAID, other NIH agencies, and additional sources.

The Dutch National Archives supports public access to information and helps governments manage and publish records for long-term preservation.

The Mediterranean Germplasm Database catalogs the agro-food plant germplasm collection held by Italy’s National Research Council.

France’s National 3D Data Repository provides a deposit and discovery system for 3D data, with catalog categories and collections.

The Astronomical Data Archives Center at Japan's National Astronomical Observatory provides astronomy archive services.

Denmark's National Archives lets users search digital records from public organizations and research data from universities.

The National Archives’ Access to Archival Databases provides a searchable interface for selected archival records.

Materials Cloud Archive lets visitors browse records linked to materials science applications and tools.

Hradec Králové's open data catalog covers municipal and company records, with datasets grouped into topics such as government, education, and transport.

APPLAUSE archives historical photographic plates and related image materials for research and discovery.

Penn State Data Commons supports data sharing, discovery, and archiving, with tools to find data and share research datasets.

IEDA connects geoscience data systems for archiving, publishing, discovery, access, and visualization of research data.

WOUDC provides discovery and access to a global archive of ground-based ozone and ultraviolet radiation data.

The SOCIB Data Catalog supports discovery, visualization, and download of oceanographic data from the Balearic Islands coastal observing system.