Help us add useful sources of Free data to this list.
Raster data
- ReadyMap.org - Free 15m imagery, elevation, and street tiles for osgEarth developers
- USGS National Map - Elevation, orthoimagery, hydrography, geographic names, boundaries, transportation, structures, and land cover products for the US.
- NASA EOSDIS - NASA’s Global Imagery Browse Services (GIBS) replaces the agency’s old JPL OnEarth site for global imagery products like MODIS.
- NASA BlueMarble - NASA’s whole-earth imagery (including topography and bathymetry maps)
- NRL GIDB - US Naval Research Lab’s GIDB OpenGIS Web Services
- Natural Earth - Free vector and raster map data at various scales
- Virtual Terrain Project - Various sources for whole-earth imagery
- Bing Maps - Microsoft’s worldwide imagery and map data ($)
Elevation data
- CGIAR - World 90m elevation data derived from SRTM and ETOPO (CGIAR European mirror)
- SRTM30+ - Worldwide elevation coverage (including batymetry)
- GLCF - UMD’s Global Land Cover Facility (they also have mosaiced LANDSAT data)
- GEBCO - Genearl Batymetry Chart of the Oceans
Feature data
- OpenStreetMap - Worldwide, community-sources street and land use data (vectors and rasterized tiles)
- DIVA-GIS - Free low-resolution vector data for any country
- Natural Earth - Free vector and raster map data at various scales