QGIS - QGIS is a desktop geographic information system, or GIS.
PlaceIQ - PlaceIQ provides location intelligence services that enable advertisers to reach mobile brand audiences for marketing activities.
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.
Euclid Analytics - Euclid Analytics provides answers and insights to brick and mortar retailers in the same way that web analytics services do for e-commerce.
Geopointe - Geopointe enables Salesforce users to gain spatial insights via maps and apply geography to business processes.
POIData.xyz - Point of Interest (POI) Data