USGS is a primary source of geographic information system (GIS) data. Our data and information is presented in spatial and geographic formats, including The National Map, Earth Explorer, …

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.

What does GIS do? While mapping is fundamental, GIS does much more. GIS is a foundational system of record. You can store and integrate information from business systems and …

Jan 14, 2024 · In the realm of Geographic Information Systems (GIS), the foundation of spatial data management lies within GIS databases. These databases serve as the backbone for …

Dec 10, 2025 · Hosts a variety of free data for the world, including ASTER and MODIS imagery, land cover, and climate data.

Open-source GIS data from the United States Geological Survey (USGS) and other agencies, and GIS applications (such as QGIS) and their tutorials are easily accessible.

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.

Jan 8, 2025 · From managing massive geospatial datasets to ensuring real-time query efficiency, the database you pick can define the outcome of your work. Let’s explore the top 5 spatial …

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.

A GIS database is a collection of spatial data that can be used for various purposes such as map production and market analysis, by providing the capability to enter, edit, retrieve, analyze, …