Cadcorp

Cadcorp is a British software development company focused on geographic information system (GIS) and web mapping software. They maintain the Cadcorp Spatial Information System® (Cadcorp SIS®) - an integrated family of geospatial products comprising desktop, web, and developer products. They help organisations in the public and private sectors maximise their return on investment in geographic information by making it easier to share and distribute spatial data between people and between systems.