OpenStreetMap
openstreetmap.orgThe free, editable map of the world built by volunteers
Geofabrik Downloads is daily OpenStreetMap extracts by country and region. Here are 28 other tools that do a similar job, 21 of them free or open source.
The free, editable map of the world built by volunteers
Search and download Landsat and other USGS archives
Public domain map data at small scales
Open-source geospatial content management and data portal
High-resolution topography and lidar data
Open building footprints detected from satellite imagery
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
Self-host an entire world basemap as a single PMTiles file
Open-source server for sharing geospatial data via OGC standards
Find the right map projection for your area
Spatial database extension for PostgreSQL
Open-source geocoding with OpenStreetMap data
Uber's hexagonal hierarchical spatial index
Fast spatial SQL on files, right on your laptop
Open vector tile schema and tools to build OSM basemaps
The free, editable map of the world built by volunteers
Search and download Landsat and other USGS archives
Public domain map data at small scales
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
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