SAGA GIS
saga-gis.sourceforge.ioFree GIS with a large library of terrain and raster analysis tools
Map tools for researchers and academics
Free and open tools for spatial analysis, remote sensing and reproducible mapping in research.
Desktop GIS
CategoryWeb GIS & Cloud Platforms
CategoryBasemaps & Map Tiles
CategoryMap Libraries & SDKs
CategoryGeocoding, Routing & Location APIs
CategoryNominatim
nominatim.orgOpen-source geocoding with OpenStreetMap data
OpenCage Geocoding API
opencagedata.comGeocoding API on open data, with permissive storage terms
openrouteservice
openrouteservice.orgFree routing, isochrones and matrix API on OpenStreetMap
OSRM
project-osrm.orgHigh-performance open-source routing engine
Geospatial Data Visualization
CategorySpatial Analysis & GeoAI
CategoryWhiteboxTools
whiteboxgeo.comAdvanced terrain, hydrology and lidar analysis toolkit
GeoPandas
geopandas.orgGeospatial data analysis with pandas in Python
Google Earth Engine
earthengine.google.comPlanetary-scale analysis of satellite imagery in the cloud
DuckDB Spatial
duckdb.orgFast spatial SQL on files, right on your laptop
Location Intelligence & Foot Traffic
CategoryUrban Planning & Design
CategorySatellite & Aerial Imagery
CategoryNASA Worldview
worldview.earthdata.nasa.govDaily global satellite imagery, near real time
USGS EarthExplorer
earthexplorer.usgs.govSearch and download Landsat and other USGS archives
Planet
planet.comDaily high-resolution satellite imagery of the whole Earth
Sentinel Hub
sentinel-hub.comAPIs for satellite imagery processing and streaming
Copernicus Browser
browser.dataspace.copernicus.euBrowse and download free Sentinel satellite imagery
EOS LandViewer
eos.comBrowse and analyse satellite imagery online
Drone Mapping & Photogrammetry
CategoryCartography & Map Design
CategoryOpen Geodata Sources
CategoryOpenTopography
opentopography.orgHigh-resolution topography and lidar data
Google Open Buildings
sites.research.googleOpen building footprints detected from satellite imagery
Geofabrik Downloads
download.geofabrik.deDaily OpenStreetMap extracts by country and region
GADM
gadm.orgAdministrative boundaries for every country
GeoNames
geonames.orgFree gazetteer of over 11 million place names
Humanitarian Data Exchange
data.humdata.orgOpen humanitarian datasets including boundaries and population
Global Human Settlement Layer
human-settlement.emergency.copernicus.euGlobal built-up area, population and settlement data
WorldPop
worldpop.orgGridded population data for the world
Overture Maps
overturemaps.orgOpen global map data: places, buildings, transport, addresses
US Census TIGER/Line
census.govOfficial US boundaries, roads and census geography
geoBoundaries
geoboundaries.orgOpen administrative boundaries with permissive licences