Natural Earth is a public domain map dataset featuring integrated vector and raster data.
IPUMS Terra (previously known as TerraPop) is an online, open access database that provides users with global-scale data on human population characteristics, land use, land cover, climate, and other environmental characteristics. IPUMS Terra also provides tools for integrating, analyzing and visualizing data that have spatial and temporal dimensions.
The U.S. Geological Survey is a source for free and open access Geographic Information Systems (GIS) Data. The datasets include both spatial and geographic data provided through several access platforms including: the National Map, Earth Explorer, GloVIS, LandsatLook, and others.
The Data.Gov Data Catalog provides open and free access to 186,613 datasets aggregated by the U.S. government featuring geospatial and demographic information.
DIVA-GIS is a free computer program for mapping and geographic data analysis (geographic information system) that also provides access to free spatial data for the whole world that you can use in DIVA-GIS or other programs. Spatial data is also openly available at the country and global level and also includes global climate data, species occurrence data, and high resolution satellite images.
While CRL makes every effort to verify statements made herein, the opinions expressed and evaluative information provided here represent the considered viewpoints of individual librarians and specialists at CRL and in the CRL community. They do not necessarily reflect the views of CRL management, its board, and/or its officers.