QGIS - QGIS is a desktop geographic information system, or GIS.
PostGIS - Open source spatial database
Esri ArcGIS - ArcGIS provides contextual tools for mapping and spatial reasoning so you can explore data & share location-based insights. ArcGIS is the heart of the Esri Geospatial Cloud. Try ArcGIS for free with 21-day trial.
H2GIS - A spatial extension of the H2 database. Compliant, Solid, Tested.
Geopointe - Geopointe enables Salesforce users to gain spatial insights via maps and apply geography to business processes.
ArcGIS Pro - Explore ArcGIS Pro resources such as tutorials, videos, documentation, instructor-led classes & more. Find answers, build expertise and connect with the ArcGIS Pro community.