Vespucci is an advanced open source tool for editing OpenStreetMap data, it is not a map viewer or a navigation app. You will need an OpenStreetMap account to use it . You can download the map data for a specific area and edit the map. After editing, you can upload it directly to the OSM servers. Any accidental change can be undone and all changes are listed for review before upload. Tag-autocompletion, JOSM compatible presets, links to the translated map-features pages and even auto-completi