PostGIS

About

PostGIS is a spatial database extender for PostgreSQL object-relational database. It adds support for geographic objects allowing location queries to be run in SQL. PostGIS is the most popular open-source spatial database.

Features

• Spatial types and indexes for PostgreSQL
• Hundreds of spatial SQL functions
• Raster and topology support
• Geocoding and address standardizer extensions

Alternatives & competitors

MySQL Spatial

Spatial types, indexes and functions built into MySQL and MariaDB.

S

SpatiaLite

Spatial extension for SQLite — a full spatial database in a single file.