Map licences

Map data

Maps use data from OpenStreetMap and its contributors, available under the Open Database License (ODbL) 1.0. The Protomaps basemap is distributed as a Produced Work. Portlore keeps its map extracts available at these links:

The basemap also uses Natural Earth public-domain data.

• World overview
• Outer port regions
• Port regions
• Towns
• Street detail

Renderer and styles

Maps are rendered with Protomaps Leaflet 5.1.0. Its renderer and basemap style code use the BSD 3-Clause licence; the basemap's visual design is CC0. Bundled components retain their own licences.

Read the complete copyright and licence notices.