Arcgis hub

Cardiff public rights of way (GEOJSON Files)

Consumer Data Research geodata (UK)

Freehold registered property in the UK (polygon data)

French regions mapping data

GIS data: list of 500+ sites

Ireland Ordnance Survey

Land registry spatial polygons as GML (23M)

Lighthouses in England & Wales, 1514-1911

Lighthouses in the UK

London Statistical GIS Boundary Files

Maps at the British Library (18K)

Natural Earth map data (world)

ONS geographical data geoportal

Open UPRN — unique property reference number (OS)

Ordnance Survey UK

Placenames (11 million)

Population density in high resolution (facebook & humanitarian data exchange) & here (AWS)

Postbox finder

US infrastructure map data

Ukraine and regions in geojson

Wales spatial data geoportal — Welsh govt & Natural Resources Wales including listed buildings

World spatial data