OpenStreetMap
openstreetmap.orgThe free, editable map of the world built by volunteers
Natural Earth is public domain map data at small scales. Here are 24 other tools that do a similar job, 16 of them free or open source.
The free, editable map of the world built by volunteers
Search and download Landsat and other USGS archives
Open-source geospatial content management and data portal
High-resolution topography and lidar data
Open building footprints detected from satellite imagery
Daily OpenStreetMap extracts by country and region
Administrative boundaries for every country
Open humanitarian datasets including boundaries and population
Global built-up area, population and settlement data
Gridded population data for the world
Open global map data: places, buildings, transport, addresses
Official US boundaries, roads and census geography
Open administrative boundaries with permissive licences
Simplify, edit and convert map shapes in the browser
Import GIS data, terrain and basemaps into Blender
Map projections and SVG maps for custom data graphics
The free, editable map of the world built by volunteers
Search and download Landsat and other USGS archives
Global points-of-interest data and Places API
Open-source geospatial content management and data portal
Nationwide US parcel data and parcel map app
High-resolution topography and lidar data
Open building footprints detected from satellite imagery
Daily OpenStreetMap extracts by country and region
Administrative boundaries for every country
Points-of-interest and building footprint data
Free gazetteer of over 11 million place names
Open humanitarian datasets including boundaries and population