Free GIS Data Directory

A practical gateway for downloading global DEM tiles and bounding-box extracts such as SRTM and Copernicus products.

A widely used global 30m elevation source available through public cloud and official Copernicus access paths.

Interactive download page for NASA SRTM 1-arcsecond elevation tiles with local tile coverage data and Earthdata login guidance.

Interactive download page for NASA SRTM 3-arcsecond elevation tiles with global reference coverage and Earthdata login guidance.

Free Chinese geospatial data portal offering SRTM, ASTER GDEM, MODIS, and Landsat data with China-focused coverage and simple registered-user downloads.

NASA/JAXA ASTER Global Digital Elevation Model Version 3 at 30-meter resolution with near-global land coverage from stereo optical imagery.

JAXA ALOS World 3D 30-meter global DEM derived from PALSAR stereo SAR imagery with worldwide land coverage and free registration-based download.

NASA NASADEM improves on SRTM with ICESat altimetry, ASTER GDEM filling, and reprocessing for reduced voids and better vertical accuracy at 30-meter resolution.

CGIAR Consortium for Spatial Information void-filled SRTM 90m DEM processed to eliminate no-data regions across global land areas.

Polar Geospatial Center ArcticDEM at 2–5 meter resolution covering the Arctic from stereo satellite imagery, with void-filled mosaics and strip DEMs.

Polar Geospatial Center REMA at 2–8 meter resolution covering Antarctica from stereo satellite imagery, with mosaiced and strip DEM products.

MERIT (Multi-Error-Removed Improved-Terrain) DEM at 90-meter resolution with removed SRTM sensor errors, stripes, and void areas for improved hydrological modeling.

USGS/NGA Global Multi-resolution Terrain Elevation Data 2010 providing global elevation statistics at 7.5 to 30 arc-second resolution from multiple source DEMs.

NOAA ETOPO1 1-arc-minute global topography and bathymetry dataset combining land elevation with ocean floor depth for integrated relief models.

General Bathymetric Chart of the Oceans (GEBCO) global bathymetric grid at 15 arc-second resolution combining satellite altimetry and ship soundings for seafloor mapping.

Airbus/DLR TanDEM-X WorldDEM at 12-meter resolution from bistatic SAR interferometry, providing the most accurate global commercial DEM available.

USGS 3D Elevation Program (3DEP) providing 1–10 meter resolution DEMs for the United States via The National Map with seamless national coverage.

国家基础地理信息中心 (NGCC) provides authoritative Chinese national baseline geographic data including DEM, administrative boundaries, and topographic maps via webmap.cn.

中国资源卫星应用中心 (China Centre for Resources Satellite Data and Application) provides free access to Chinese satellite imagery and derived products including ZY-3 stereo DEMs.

Cloud-hosted Terrarium-encoded terrain raster tiles ready for MapLibre GL JS terrain rendering with free tier and global coverage.

Terrarium-encoded global raster-dem tiles from Stadia Maps with generous free tier, suitable for MapLibre GL JS 3D terrain.

Free open-source raster-dem terrain tiles served from AWS Open Data, compatible with MapLibre GL JS terrain rendering at no cost.

Mapbox-encoding global raster-dem terrain tiles from the Mapbox platform, available via Mapbox Studio and the Maps SDK with paid API access.

Free Terrarium-encoded global terrain tiles served from AWS S3 Open Data, directly usable in MapLibre as a raster-dem source with no API key.

Public-domain global country boundaries and related admin layers for lightweight GIS basemaps and downloads.

Detailed national and subnational administrative boundaries with deeper hierarchy than most lightweight global basemaps.

Official global administrative boundaries from the World Bank covering all countries with standardized ISO 3166 codes for policy and statistical mapping.

Multi-level administrative boundaries extracted from OpenStreetMap, available as Shapefile and GeoJSON from level 0 (countries) to level 12.

Country boundary geometries matched with ISO 3166-1 codes, ideal for joining with tabular datasets that use standardized country identifiers.

Chinese provincial, city, and county administrative boundaries from Alibaba DataV GeoAtlas, optimized for web mapping and China-focused dashboards.

United Nations standardized second-level administrative boundaries with ISO codes, managed by the SALB program for consistent international comparison.

EU NUTS (Nomenclature of Territorial Units for Statistics) boundary polygons at levels 0–3 covering all EU member states for European statistical mapping.

Regional OpenStreetMap downloads organized by continent, country, and subregion with multiple export formats.

Custom OpenStreetMap extraction workflow for fetching specific features such as railways, airports, or waterways.

The complete OpenStreetMap planet file in PBF format, updated weekly, containing all mapped features worldwide in a single archive.

City and regional OSM extracts in multiple formats (PBF, Shapefile, GeoJSON) for hundreds of cities worldwide, ideal for desktop-scale GIS workflows.

OSM history analytics platform offering statistical analysis of OpenStreetMap data quality and evolution over time by geographic area.

Humanitarian OpenStreetMap Team's export tool for creating custom OSM extracts in multiple GIS formats for humanitarian response and disaster management.

Global airport, runway, and navaid tables that are easy to transform into GIS point layers.

Global major road network lines derived from public domain cultural vector data.

Global railway lines derived from public domain cultural vector data for transport mapping.

Regional OpenStreetMap railway extracts from Geofabrik in PBF and shapefile formats.

Airport, airline, and route tables that can be joined into GIS point and line layers.

A global directory of GTFS (General Transit Feed Specification) public transit schedule data covering thousands of agencies worldwide.

OpenStreetMap highway and road network data available as shapefile extracts organized by region and country.

Global road network routing data with precomputed travel times and distances, used for navigation and isochrone generation.

The National Geospatial-Intelligence Agency's global port database with coordinates, facilities, and classification for over 3,700 ports.

U.S. Federal Aviation Administration airport data including runways, traffic patterns, and facility information for all US airports.

A global 10m land-cover layer with WMS, WMTS, and downloadable raster access paths.

European land cover and land use classification at 100m resolution from the Copernicus program.

United States land cover at 30m resolution with consistent classification for change analysis.

Global annual land cover classification at 500m resolution from NASA MODIS satellite data.

Global forest change, loss, gain, and extent data at 30m resolution from the University of Maryland.

Near real-time 10m global land cover classification powered by Sentinel-2 imagery and Google Earth Engine, updated every few days.

Global 30m fine land cover classification produced by the Chinese Academy of Sciences using time-series Landsat imagery, covering 35+ land cover types.

Historical 300m global land cover map from ESA MERIS imagery, useful as a baseline for land cover change analysis.

Searchable free Sentinel-2 imagery access with scene discovery, preview, and download workflow guidance.

Free global Landsat imagery archive with Level-1 and Level-2 products from EarthExplorer.

High-resolution satellite imagery released for disaster response and humanitarian events.

High-resolution satellite imagery for tropical forest monitoring under the NICFI program.

Interactive web tool for visualizing and downloading Sentinel, Landsat, and other satellite imagery.

The primary access portal for Copernicus Sentinel imagery data (Sentinel-1, -2, -3, -5P) replacing the retired Scihub.

High-resolution aerial imagery for the continental US at 1m resolution during leaf-on conditions, collected by USDA.

A searchable catalog of petabytes of geospatial datasets accessible through Google Earth Engine for analysis and visualization.

Global hydrology layers for rivers, drainage networks, and basin analysis workflows.

A high-resolution shoreline database with coastlines, rivers, and political borders derived from public domain sources.

Global Runoff Data Centre river discharge observations for hydrological modeling and water resource analysis.

Annual surface water extent and transition maps derived from Landsat imagery at 30m resolution.

National Hydrography Dataset Plus for the United States with flow direction, catchments, and waterbody features.

Global water body polygons extracted from OpenStreetMap including lakes, rivers, reservoirs, and ocean boundaries.

Global major river basin boundaries and sub-basin delineations from FAO, useful for watershed and drainage analysis.

NOAA's sea level rise inundation mapping showing projected coastal flooding at various sea level rise scenarios (1-10 feet).

Two-line element records for the active Starlink satellite constellation.

Two-line element records for the OneWeb low Earth orbit satellite network.

Two-line element records for Amazon Kuiper satellites and related orbital analysis workflows.

A compact TLE dataset for the International Space Station and related orbital display workflows.

GeoJSON points for satellite ground stations and related terrestrial support infrastructure.

GeoJSON lines representing subsea cable routes used by the global internet backbone.

GeoJSON points for terrestrial landing points that anchor submarine cable systems.

GeoJSON points for cellular tower infrastructure used in terrestrial wireless network mapping.

GeoJSON lines for mapped terrestrial fiber routes with stronger route confidence.

GeoJSON lines for inferred or approximate terrestrial fiber corridors.

GeoJSON lines for major terrestrial and long-haul backbone network segments.

GeoJSON points for data center locations and colocation infrastructure.

GeoJSON points for internet exchange point facilities and peering locations.

GeoJSON points for DNS root server instances distributed across global regions.

GeoJSON points for recursive resolver footprints and publicly reachable DNS infrastructure.

GeoJSON points for edge delivery infrastructure used to cache and serve internet content close to users.

Global internet radio station locations and metadata from the Radio Browser community directory with PMTiles map support.

U.S. Federal Communications Commission database of AM, FM, and TV broadcast stations with location, frequency, power, and coverage data.

International Telecommunication Union's Master International Frequency Register listing all recorded radio frequency assignments worldwide.

Global 100m population density grids built from census and satellite data, covering 2000–2020 with annual estimates.

Global population distribution at ~1km resolution from Oak Ridge National Laboratory, widely used for risk analysis and humanitarian planning.

CIESIN's classic global population grid at 30 arc-second resolution with native census units preserved, covering 2000–2020.

U.S. Census Bureau TIGER/Line shapefiles with roads, boundaries, hydrography, and demographic data for all US territories.

Chinese Academy of Sciences 1km population grid for China based on census and nighttime light data.

Global climate rasters at 30 arc-second resolution including temperature, precipitation, and 19 bioclimatic variables.

High-resolution global climate data using orographic and downscaled climate models, more accurate in mountainous terrain than WorldClim.

Historical weather station data from NOAA including daily and monthly observations for thousands of stations worldwide.

Global reanalysis dataset from ECMWF providing hourly climate variables from 1940 to present at ~31km resolution.

Global soil property predictions at 250m resolution including organic carbon, pH, texture, and depth from ISRIC World Soil Information.

US Geological Survey state and national geologic maps showing rock types, faults, and structural geology for the United States.

An international consortium project producing fine-resolution (100m) digital soil maps with global coverage for key soil properties.