Illinois's state open data portal, providing agency datasets across government, economy, and administrative geography.
data.illinois.gov is the State of Illinois's open data portal, aggregating datasets from state agencies on a Socrata platform with APIs and visualization tools.
Coverage includes government operations, economy, transportation, and administrative geography, with spatial datasets exportable as GeoJSON and Shapefile. Authoritative statewide geological and geospatial framework data is additionally available through the Illinois State Geological Survey clearinghouse.
It runs on Socrata, providing per-dataset APIs, filtering, and GeoJSON export for spatial datasets.
The Illinois State Geological Survey maintains a geospatial data clearinghouse with statewide framework and geological data.
Datasets are openly available for reuse; review individual dataset terms.
The Australian Capital Territory's open data portal, supporting reusable, accessible data from the ACT Government.
The Northwest Territories' open data portal, making government-held data available in accessible, user-friendly formats.
Pennsylvania's official geospatial data clearinghouse, hosting authoritative GIS data for the Commonwealth.
Rhode Island's geographic information system, the state's long-running authoritative GIS data clearinghouse.
The Netherlands' platform for public geo-data, delivering national datasets like the BAG addresses and base registries through high-quality open services.
Tunisia's national open data portal, providing public sector datasets from government bodies.
Tasmania's Land Information System (the LIST), providing authoritative statewide spatial data, imagery, and cadastre.
Ukraine's national open data portal, the unified state catalog for public sector datasets across government bodies.
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