PostGIS adds support for geographic objects to the PostgreSQL object-relational database. In effect, PostGIS "spatially enables" the PostgreSQL server, allowing it to be used as a backend spatial database for geographic information systems (GIS), much like ESRIs SDE...This app doesn't have any features at the moment.
A location intelligence and visualization engine that empowers you to effortlessly transform data into insights. With CartoDB, connect and map location data, quickly customize your visualizations, and develop powerful location based apps.This app doesn't have any features at the moment.
H2GIS is a spatial extension of the H2 Database Engine in the spirit of PostGIS . It adds support for managing spatial features and operations including a Geometry constraints, the Open Geospatial Consortium...This app doesn't have any features at the moment.