Map 1, OpenStreetMap
with Scrool Wheel and move Map
Map 2, OpenTopoMap
with Zoom Buttons and move Map, marker not in center
Map 3, TopPlus Open
with Zoombox (Shift and Mouse) and move Map
Map 4, BaseMap DE grey (only Germany)
with Zoom Buttons and Double Click, no move Map
Map 5, BaseMap DE color (only Germany)
with Zoom Buttons and Keyboard Navigation