Geospatial & Mapping Data
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A UK government gateway for public datasets and data guidance.
Open Data & Research Portalsdata.gov.uk is the UK government’s public data portal, now framed around the National Data Library. It brings together curated dataset collections across areas such as business, environment, government, property, people, transport, and early years, while still linking to the original open data directory search. The site also includes a data manual for public-sector data management, sharing, standards, privacy, and technical guidance.
0 votesVisit siteSearch and use NASA Earth observation data from one central portal.
Open Data & Research PortalsNASA Earthdata is the main entry point for discovering, accessing, and working with NASA Earth science data collections. It connects users to data catalogs, subject pathfinders, visualization tools, near-real-time services, training materials, and the Distributed Active Archive Centers that manage specific datasets.
0 votesVisit siteA Europe-wide search hub for public-sector open datasets.
Open Data & Research PortalsThe European Data Portal is the EU’s central catalogue for open data published by EU institutions, agencies, bodies, and European countries. It combines dataset search with geospatial discovery, metadata-quality views, high-value dataset dashboards, open data maturity reporting, training materials, and community resources.
0 votesVisit sitePublic-domain GIS layers for clean small-scale world maps.
Open Data & Research PortalsNatural Earth provides curated vector and raster map datasets for building world and regional maps in GIS or cartography software. Its layers are generalized for 1:10m, 1:50m, and 1:110m scales, with aligned boundaries, physical features, populated places, transport layers, and shaded-relief-style raster backgrounds.
0 votesVisit siteA research portal for lidar, DEMs, and terrain analysis tools.
Open Data & Research PortalsOpenTopography provides access to high-resolution topographic datasets, including lidar point clouds, digital elevation models, and derived terrain products. The site also offers web-based processing tools, hydrologic analysis workflows, training materials, and developer access for reproducible geospatial research.
0 votesVisit siteNOAA’s portal for historical weather observations and climate normals.
Open Data & Research PortalsClimate Data Online is NOAA NCEI’s access point for historical weather and climate records, including temperature, precipitation, wind, degree days, radar data, station history, and 30-year climate normals. Users can search by station or place, explore records on a map, use specialized data tools, and order certified copies of some records for legal purposes.
0 votesVisit siteA community-edited world map with openly licensed geographic data.
Open Data & Research PortalsOpenStreetMap is a global map and geospatial dataset maintained by volunteer contributors. The site lets visitors browse, search, route, export map data, review edit history, upload GPS traces, and contribute changes through browser-based or external editing tools.
0 votesVisit siteA USGS portal for finding satellite, aerial, and map imagery.
Open Data & Research PortalsEarthExplorer is the U.S. Geological Survey’s search interface for satellite scenes, aerial photographs, and cartographic products. Users can define an area of interest, choose dates and datasets, refine metadata, and review matching results for ordering or access.
0 votesVisit siteA central search hub for hundreds of thousands of U.S. government datasets.
Open Data & Research PortalsData.gov is the U.S. federal government’s public catalog for open datasets, tools, and related resources. It helps researchers, journalists, developers, policymakers, and the public find government data for analysis, apps, visualizations, and civic transparency work.
0 votesVisit siteA curated ArcGIS catalog of maps, layers, and global geospatial data.
Open Data & Research PortalsArcGIS Living Atlas is Esri’s catalog of ready-to-use geographic content, including basemaps, imagery, demographic layers, environmental data, and map-based apps. It is designed for people building maps or spatial analysis workflows in the ArcGIS ecosystem, with many items maintained by Esri and authoritative data providers.
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