QGIS

A free and open-source geographic information system (GIS) application that supports viewing, editing, and analysis of geospatial data. It is widely used for mapping and spatial analysis in various fields such as urban planning, environmental science, and resource management, and is distinguished by its cross-platform compatibility and extensibility through plugins. QGIS primarily benefits professionals and researchers in geospatial fields who require robust tools for spatial data management and analysis.