GIS Datasets Learn how to tap into the different sources of GIS vector/raster, topography, and satellite imagery available. DATASETSFIND DATAIMAGERYTOPOGRAPHYFORMATS Feature Data Sources 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. 15 Free Satellite Imagery Data Sources How to Download USGS Topo Maps for Free The Ultimate List of GIS Formats and Geospatial File Extensions 25 Satellite Maps To See Earth in New Ways Find Data The Living Atlas of the World by Esri 3 Highways and Roads Datasets [Geometric Networks] Antarctica Data Sources: Mapping the South Pole 7 Free World Climate Data Sources Mapping the Ocean Floor: Water Bathymetry Data NASA Earth Observatory: Global Environment and Climate Data OpenStreetMap Data: How to Download Crowd-Sourced OSM Data Esri Tapestry Segmentation: Who & Where Your Customers Are 10 Best Free Land Cover/Land Use Data Harmonized Environmental & Demographic Data with TerraPop TIGER GIS Data (Topologically Integrated Geographic Encoding & Referencing) 10 Free GIS Data Sources: Best Global Raster and Vector Datasets Natural Earth Data – Free GIS Public Domain Data USGS Earth Explorer: Download Free Landsat Imagery 4 Weather Data Sources for GIS Imagery How to Download Free Sentinel Satellite Data 15 Free Satellite Imagery Data Sources Planet Labs Imagery: The Entire Earth, Everyday 5 Free Historical Imagery Viewers to Leap Back in the Past Data Sources USGS Earth Explorer: Download Free Landsat Imagery The USGS Earth Explorer is quick and easy to download free Landsat imagery & other remote sensing data. Enter ROI, define timeline and download for free. Topography Data Sources 5 Free Global DEM Data Sources – Digital Elevation Models Want to elevate your chances of finding a digital elevation model? Sure you do. You should dive into our list of free global DEM data sources. DEM, DSM & DTM Differences – A Look at Elevation Models in GIS How to Download USGS Topo Maps for Free What is Topography? The Definitive Guide 10 Topographic Maps From Around the World GIS Formats The Ultimate List of GIS Formats and Geospatial File Extensions What is Geodata? A Guide to Geospatial Data What is a Geodatabase? Personal vs File Geodatabase Spatial Databases – Build Your Spatial Data Empire USGS Formats DLG, DRG and DOQ – Vector and Raster Formats Vector vs Raster: What’s the Difference Between GIS Spatial Data Types? ArcGIS Shapefile Files Types & Extensions Data Sources What is COGO (COordinate GeOmetry)? COGO (Coordinate Geometry) is a tool that maps the geometry from survey plans for land parcels, road allowances, and property easements.