The Best Thermochemical Database Alternatives in 2026

AmeriFlux measures carbon, water and energy flux across research sites throughout the Americas.

The Wind Data Hub collects, stores, catalogs, and shares wind energy research data with funding from the U.S. Department of Energy.

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

mzCloud offers a searchable spectral database with high-resolution mass spectra to help identify compounds in scientific analyses.

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

BigBrain is a high-resolution digital brain model and database from the Montreal Neurological Institute.

The World Values Survey provides survey data and documentation on political culture and social values.

data.world provides an enterprise data catalog for discovering metadata and developing data products and analytics.

Olofström explains how municipal digital information can be reused freely, including for developing mobile applications.

Slovenia’s OPSI portal provides open data, tools, and resources for developing web and mobile applications and visualizations.

Exposome-Explorer catalogs biomarkers of environmental exposure, with information on concentrations, associations, compounds, foods, and cancers.

The Leibniz-FMP Screening Unit provides biochemical and cell-based high-throughput screening using compound collections.

SureChEMBL provides compounds extracted from patent documents, including their text, images, and attachments.

RefractiveIndex.INFO provides optical constants and raw data for materials including metals, glasses, and inorganic and organic compounds.

LAPaL catalogs long-acting therapeutics, including technologies, compounds, formulations, patents, and national registrations.

Japan's free SDBS provides spectral records for organic compounds, including NMR, mass spectrometry, ESR, and infrared data.

NIST’s Digital Library of Mathematical Functions provides reference material on mathematical functions, with indexes, notations, and search.

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

The INFRA-ART Spectral Library supports heritage science and conservation with searchable reference material and sample spectra.

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

The EUREF Permanent GNSS Network provides access to the European Terrestrial Reference System 89 through a network of continuously operating reference stations.

DEG provides a browser for archaea essential genes, with organism, condition, and reference records.

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

CARS shares data from the first release of the Close AGN Reference Survey, a spatial survey of active galaxies.