PostGIS is an extension for the PostgreSQL object-relational database that adds support for geographic objects.
PostGIS is an extension for the PostgreSQL object-relational database that enables the storage of geographic objects. PostGIS is designed according to the OpenGIS Simple Feature Access for SQL specification published by the Open Geospatial Consortium.
The current stable version is PostGIS 2.3.0 (released September 26th, 2016) which is the first version to utilize the parallel support functionality introduced in PostgreSQL 9.6. As such, if you are using PostgreSQL 9.6, we strongly encourage you to use this version.
PostGIS has been developed by Refractions Research and others and is released under the GNU General Public License.