GRASS GIS (Geographic Resources Analysis Support System) is a geographic information system (GIS) software suite used for geospatial data management and analysis, image processing, producing graphics and maps, spatial and temporal modeling, and visualizing. It can handle raster, topological vector, image processing, and graphic data. Developed by GRASS Development Team
License: Open Source
Maptitude is a commercial GIS software known for its user-friendly interface and comprehensive mapping tools, making it ideal for businesses and professionals. In contrast, GRASS GIS is an open-source solution that offers powerful geospatial analysis tools and customization options but may require more technical expertise to use effectively.