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CosmoSim provides results from cosmological simulations, including MultiDark and Bolshoi projects and galaxy catalog data.

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

The MultiDark Database provides results from cosmological simulations and lets users query its records with SQL.

The MUSE-Wide project page describes a survey of well-studied deep fields and links to its first data release.

The Sloan Digital Sky Survey V conducts multi-epoch optical and infrared spectroscopy across the sky, with coverage of the Milky Way and nearby galaxies.

The Golm Metabolome Database supports searching and sharing mass spectra for biologically active metabolites measured with GC-MS.

The PolMine project shares parliamentary corpora and tools, including a recent release covering sessions of Germany's Bundestag.

China’s national reference materials platform shares reference material resources and information on measurement and testing programs.

The Czech Ministry of Finance open data portal includes records, guides, and analysis related to public spending and invoices.

GENCODE identifies and classifies human and mouse genes, with release information, data access guidance, and documentation.

PAZy catalogs plastic-active enzymes, substrates, enzyme structures, and curated literature on plastic degradation.

Ego-Exo4D is a multimodal video dataset and benchmark for studying skilled everyday activities from first and third person views.

AMIGA provides research resources about the interstellar medium in isolated galaxies.

QUT's Research Data Finder helps users discover data collections, projects, people, software, and spatial research records.

GeoSphere Austria's Data Hub provides station measurements, spatial datasets, images, and weather forecasts.

NIST’s Handbook of Basic Atomic Spectroscopic Data provides reference data maintained by its Physical Measurement Laboratory.

Italy’s National Oceanographic Data Centre is the national reference for the UNESCO oceanographic data exchange system.

IERS provides data on Earth rotation, reference systems, and geophysical fluids, with models, standards, and current bulletins.

CDMS provides reference data for molecular spectroscopy, with database records and guidance on their content and citation.

BAMF’s research data center provides migration and integration data for research, including register and survey data.

The Valais statistical and financial equalization service coordinates statistical surveys and provides information to data users.

The Cross-National Equivalent File harmonizes variables across household panel surveys and provides researchers access to comparable cross-national data.

Marine Data Exchange provides access to survey data and reports collected for offshore renewable energy.

ZEW's Research Data Centre provides external researchers with data from business and expert surveys.