Geospatial Software (Free & Commercial)

QGIS: A free and open-source cross-platform GIS application for viewing, editing, and analyzing spatial data.

ArcGIS: A leading commercial GIS software suite by Esri for creating and analyzing maps and spatial data. 

GRASS GIS: A free open-source GIS focused on geospatial data management and analysis. 

SAGA GIS: An open-source GIS application with an emphasis on geoscientific analysis. 

MapInfo Professional: A commercial desktop GIS software for mapping and spatial analysis. 

Global Mapper: A commercial GIS and mapping program known for supporting a wide variety of data formats. 

ERDAS IMAGINE: Remote sensing software by Hexagon for advanced image processing and analysis. 

ENVI: A geospatial imagery analysis software suite by Harris Geospatial Solutions. 

GeoServer: An open-source server for sharing, processing and editing geospatial data. 

MapServer: An open-source platform for publishing spatial data and interactive mapping applications to the web. 

PostGIS: A spatial database extender for PostgreSQL that adds support for geographic objects.