QGIS - QGIS is a desktop geographic information system, or GIS.
Mapline - Spreadsheets have never made you look so good. Sure, you can buy an expensive business intelligence mapping software that requires a Ph. D to use. Or you can use Mapline to create a map from Excel spreadsheet data in seconds.
GRASS GIS - GRASS GIS is a free Geographic Information System (GIS) software used for geospatial data management and analysis, image processing, graphics/maps production, spatial modeling, and visualization.
SAGA GIS - SAGA - System for Automated Geoscientific Analyses - is a Geographic Information System (GIS)...
Mapbox - An open source mapping platform for custom designed maps. Our APIs and SDKs are the building blocks to integrate location into any mobile or web app.
ArcGIS - ArcGIS software is a data analysis, cloud-based mapping platform that allows users to customize maps and see real-time data ranging from logistics support to overall mapping analysis.