H2GIS is described as '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' and is a Map service in the travel & location category. There are 2 alternatives to H2GIS for Mac, Windows, Linux, BSD and SQLite. The best H2GIS alternative is PostGIS, which is both free and Open Source.
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...
SpatiaLite is a spatial extension to SQLite, providing vector geodatabase functionality. It is similar to PostGIS, Oracle Spatial, and SQL Server with spatial extensions, although SQLite/SpatiaLite aren't based on client-server architecture: they adopt a simpler personal...
Italy
EU