The standard OpenStreetMap map: a detailed, worldwide street and topographic map made by volunteers.
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Licence: Map data ODbL; tiles under the OSM tile usage policy (light use only, no bulk downloading) · Terms of use · The wording follows the publisher’s terms of use. In QGIS, right-click it in the SemanticGIS panel and choose Copy attribution.
Licence and terms: Map data ODbL; tiles under the OSM tile usage policy (light use only, no bulk downloading) — see https://operations.osmfoundation.org/policies/tiles/.