Attributions

We build on the work of the open data, open source, and mapping communities. Every third-party dataset, tile service, and library we rely on is listed below. Thank you to the contributors who make this possible.

Geographic data

GeoNames CC BY 4.0: Nearest-place lookups (the “Over {city}” line on the dashboard and live map) use the GeoNames cities15000 and countryInfo datasets.

Map tiles & imagery

OpenStreetMap ODbL: Base map data for light and dark tiles comes from the OpenStreetMap contributor community.
Stadia Maps: Alidade Smooth light/dark and Stamen Terrain tiles (rendered over OpenStreetMap/OpenMapTiles data) where an API key is configured.
Esri & partners: World Street Map, World Topo Map, and World Imagery tile services (with contributions from DeLorme, NAVTEQ, USGS, Intermap, iPC, NRCAN, Esri Japan, METI, Esri China, Esri Thailand, TomTom, USDA, AEX, GeoEye, Getmapping, Aerogrid, IGN, IGP, UPR-EGP, and the GIS User Community).
CARTO: Dark Matter basemap tiles (rendered over OpenStreetMap data) used on the live map's dark theme.
Mapbox: Mapbox Streets, Dark, Outdoors, and Satellite Streets tile styles where a Mapbox token is configured.

Open-source libraries

Leaflet BSD-2-Clause: The mapping library that powers the live-map view.