ArcExplorer is a lightweight data viewer from ESRI for maps and GIS data in these formats: * ESRI Shapefile * ArcInfo coverages * ArcSDE layers * Images * ArcIMS Services (e.g., Geography Network sources) ArcExplorer performs a variety of basic GIS functions, including display, query, and data retrieval applications.

Geographic information system software product lines produced by ESRI. Includes ArcEditor, ArchInfo, ArcView and more.

Global Positioning System mapping software.

ERDAS IMAGINE is a raster graphics editor and remote sensing application.

Earth Imaging Software

GRASS (Geographic Resources Analysis Support System) is an open source, Free Software Geographical information system (GIS) with raster, topological vector, image processing, and graphics production functionality that operates on various platforms through a graphical user interface and shell in the X Window System. It is released under GNU General Public License (GPL).

SAGA GIS is a free and open source geographic information system used for editing spatial data.