Geographic information systems

Desktop and library tools for geospatial data.

Side by side

Geographic information systems
Tool	Stars	Licence	Terms	Self-hosted	Language	Latest	Last push
QGIS	15k	GPL-2.0	Open source	No	C++	final-3_44_15	2026-10-19
GDAL	6.1k	Other	Open source	No	C++	v3.13.3	2026-10-17
PostGIS	2.2k	GPL-2.0	Open source	No	PLpgSQL	3.6.4	2026-10-19

3 tools

QGIS is a free, open source, cross platform (lin/win/mac) geographical information system (GIS)

GDAL is an open source MIT licensed translator library for raster and vector geospatial data formats.

PostGIS spatial database extension to PostgreSQL [mirror]