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  1. 10 Free GIS Data Sources: Best Global Raster and Vector Datasets

    Turbo-charge your search for free GIS data with this list of 10 free, downloadable global GIS datasets from highly reputable sources - vector and raster.

  2. List of GIS data sources - Wikipedia

    This is a list of GIS data sources (including some geoportals) that provide information sets that can be used in geographic information systems (GIS) and spatial databases for purposes of …

  3. GIS Data Download | U.S. Geological Survey - USGS.gov

    Elevation, hydrography, geographic names, structures, boundaries, transportation, and many more datasets are available for download in a variety of formats and sizes. Training videos on …

  4. National Geospatial Open Data - ArcGIS

    To government users, this is the collection of data known as A-16 or NGDA Datasets. To everyone else, this is a fantastic collection of nearly 100 national geospatial datasets on things …

  5. Free GIS Datasets - Categorised List

    Jul 1, 2025 · This page contains a categorised list of links to over 500 sites providing freely available geographic datasets - all ready for loading into a Geographic Information System.

  6. Finding Free GIS Data: Best Open Sources in 2025 - GeoInfoSpot

    Jun 20, 2025 · Discover the best sources for free GIS data in 2025! Explore open datasets from NASA, USGS, OpenStreetMap, and more for mapping and analysis.

  7. Geographic Information Systems (GIS): Data for the US …

    Oct 15, 2025 · Here you will find data, tools, and resources to conduct research, develop web and mobile applications, design data visualizations, and more. This set of data includes many …

  8. USA - GIS Data Sources - LibGuides at Duke University

    Sep 23, 2025 · Includes over 2500 data layers that relate to Lidar, land cover, economic data (continental shelf, EEZ, etc.), electronic navigational charts, imagery, and much more.

  9. Free GIS Data

    The page has categorise and organize collection/list of various GIS data and Remote Sensing data sources. These datasets are collected from various sources around the globe.

  10. United States Data Sources - OpenSourceGISData

    Oct 18, 2022 · Click on a state using the map or use the table provided below to view the state pages with the data sources. Comprehensive list of GIS data sources for everyone of the fifty …