Any OpenStreetMap (OSM) app/website:
Organic Maps on iOS/Android: https://organicmaps.app/
OsmAnd (small price) on Android/iOS: https://osmand.net/
OpenStreetMap off course: https://www.openstreetmap.org/
OsmAnd web maps: https://osmand.net/map/
Maybe some things like TomTom Go or Sygic Maps (is this still a thing?)