OSM_DIRECT
OpenStreetMap's tile server (tile.openstreetmap.org). Free, no API key. Subject to OSM Foundation tile usage policy — for low/medium volume only; not recommended as the default for high-traffic apps.
OpenStreetMap's tile server (tile.openstreetmap.org). Free, no API key. Subject to OSM Foundation tile usage policy — for low/medium volume only; not recommended as the default for high-traffic apps.