The Best Open Data Ottawa Alternatives in 2026

Burnaby’s OpenData portal shares municipal data as part of the city’s public engagement and transparency work.

The Yemen Data Project collects and shares information on the conduct of the war in Yemen to support transparency and accountability.

The @unitedstates project maintains shared civic data and tools for working with US government information.

Härryda Municipality describes open data as freely available digital information and explains its potential civic uses.

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

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

Södertälje explains its open data policy and how municipal data can support transparency and new services.

The International Aid Transparency Initiative provides tools to explore aid data about development and humanitarian resources and their results.

DadosJusBR publishes Brazilian justice-system remuneration data collected from transparency portals and provides reports and transparency information.

Skellefteå Municipality publishes open data for reuse, aiming to support transparency and the creation of digital services.

The ESO Science Archive provides an archive home with data access, archive query tools, and direct retrieval of data products.

Gaia@AIP provides access to Gaia data and related products hosted by the Leibniz Institute for Astrophysics Potsdam.

COCONUT supports natural product research with data and tools, presenting itself as a resource guided by FAIR data principles.

The Tropical Atmosphere Ocean Project provides buoy data products, station plots, archives, and data quality resources.

The Norwegian Meteorological Institute provides data and products through download services, with licensing information for use.

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

MODIS Web organizes satellite products across atmosphere and land topics, including clouds, vegetation, surface reflectance, and fires.

NASA’s Ozone Mapping and Profiler Suite provides ozone and atmospheric composition products from satellite instruments.

Sweden’s Medical Products Agency publishes information it collects through product authorization and supervision for further reuse.

Meudon's data portal brings together information about the city in one place for public access and reuse.

Amsterdam’s municipal data site provides current city information and lets visitors search streets, buildings, public spaces, map layers, and datasets.

Data Olomouc presents city data in machine-readable formats through the municipality’s open data portal.

Winterthur’s data and statistics office collects, processes, and analyzes city data on population, housing, economy, culture, environment, and transport.

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