Resources
Data sources & provenance
Airfree Maps runs on our own internal map graphs built from open and licensed data — never a third-party map provider. Here is exactly what underpins the platform.
OpenStreetMap
Share-alike- Powers
- Base maps, vector & raster tiles, geocoding, search and routing
- Licence
- Open Database License (ODbL) v1.0
- Attribution
© OpenStreetMap contributors- Notes
- The core geographic database. We process and host OpenStreetMap data ourselves; your requests do not go to the OpenStreetMap Foundation. Derivative databases you create are subject to ODbL share-alike.
OpenMapTiles schema
Share-alike- Powers
- The vector-tile schema our base-map tiles are built to
- Licence
- BSD-3-Clause (schema); tiles remain ODbL (from OpenStreetMap)
- Attribution
© OpenMapTiles © OpenStreetMap contributors- Notes
- The open vector-tile schema used to generate our base-map tiles from OpenStreetMap with planetiler.
Natural Earth
- Powers
- Low-zoom base imagery for the 3D globe
- Licence
- Public domain
- Attribution
Natural Earth (public domain)- Notes
- Public-domain small-scale raster data. No attribution is legally required; we credit it as a courtesy.
Noto Sans (Google Noto)
- Powers
- Map label glyphs
- Licence
- SIL Open Font License 1.1
- Attribution
Noto fonts © Google- Notes
- Open-licensed fonts used to render map labels.
Built with open-source software
- MapLibre GL · BSD-3-ClauseInteractive map rendering in the browser
- Valhalla · Open source (MIT)Routing and matrix engine
- Nominatim · GPL-2.0Geocoding and search engine
- planetiler · Apache-2.0Vector-tile generation from OpenStreetMap
- tileserver-gl · BSD-2-ClauseTile and style serving