Massachusetts's Bureau of Geographic Information, a leading state GIS program providing authoritative statewide spatial data.
MassGIS is the Commonwealth of Massachusetts's Bureau of Geographic Information, widely regarded as one of the strongest state GIS programs in the U.S. It produces and distributes authoritative statewide spatial data.
Its catalog includes high-resolution orthoimagery, elevation, parcels, hydrography, land use, and detailed administrative and infrastructure layers, available as downloads and OGC services. MassGIS is the definitive source for Massachusetts geospatial data.
MassGIS is considered a model state GIS program, known for comprehensive, high-quality, and well-maintained statewide datasets.
Yes. MassGIS maintains a standardized statewide property parcel layer for Massachusetts.
Through downloads and OGC web services (WMS/WFS), plus an ArcGIS-based data hub.
Switzerland's federal mapping agency geoportal, offering its renowned topographic maps, imagery, elevation, and thematic layers as free open data.
Tennessee's source for maps and GIS, providing authoritative statewide imagery, lidar, parcels, and address data.
Tasmania's Land Information System (the LIST), providing authoritative statewide spatial data, imagery, and cadastre.
New Jersey's geographic information network open data hub, providing authoritative statewide GIS layers, imagery, and parcels.
Sri Lanka's open data portal, making government datasets freely available to the public across many sectors.
Oklahoma's geographic information hub (OKMAPS), providing free downloadable statewide GIS data and web services.
Iceland's national mapping agency, providing authoritative topographic data, elevation, and base mapping as open data.
Louisiana's statewide GIS data distribution system, hosting publicly available datasets including statewide lidar and imagery.
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