Open Data & Datasets

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

Veracruz’s open data portal provides city datasets in open formats, organized by dataset, organization, and category.

UFZ’s data investigation portal organizes sample, field, logger, file-based archive, and geodata catalog resources.

Search the Chinese Astronomical Data Center for star catalogs, astronomical images, and light-curve datasets.

Géoguyane brings together interactive maps, downloadable map collections, and a catalog of geographic data for French Guiana.

Ostrava’s open data catalog organizes datasets across topics such as transport, culture, population, public services, and the environment.

The Rat Genome Database provides integrated genetic, genomic, physiological, pathway, and disease information with research tools.

SEANOE publishes marine research data and provides a searchable catalog organized by publication year, discipline, access, and license.

Open Data Nepal provides datasets, categories, publishers, and stories, with tools to explore and reuse the country’s open data.

DB’s open data portal has moved its open datasets to Mobilithek, GovData, and Opendata-ÖPNV; its APIs remain in the DB API Marketplace.

FILER indexes human functional genomics data and supports searches by tissue, cell type, biosample, assay, and data type.

The NEA Thermochemical Database project develops reference thermodynamic values for compounds relevant to radioactive waste safety and geochemical modeling.

Virtual Fly Brain lets researchers explore Drosophila neuroanatomy, connectivity, gene expression, and imaging data in an interactive atlas.

The British Oceanographic Data Centre preserves and distributes marine and oceanographic data for research.

Madrid’s open data portal provides datasets and news, including data from the city council.

Upplands Väsby’s open data portal makes public municipal data available to support transparency, innovation, and collaboration.

FAPESP COVID-19 DataSharing/BR is a research data repository created by FAPESP and the University of São Paulo to make COVID-19 data available.

The H.J. Andrews Experimental Forest program supports research on forests, streams, and watersheds, alongside education and resource management.

The Town of Oakville's open data portal provides a public site for accessing datasets published by the municipality.

Seoul's open data portal provides access to municipal datasets and information on searching, using, and requesting public records.

Brazil’s Superior Electoral Court open data portal organizes election datasets by year, organization, group, and campaign finance topic.

The Swedish Tax Agency provides open data and statistics through APIs and Sweden’s national data portal.

Ag Data Commons makes USDA-funded research datasets findable, accessible, interoperable and reusable.

South Africa's National Treasury publishes current and historical municipal budget and financial performance data.