ArcGIS Explorer is a free GIS viewer that gives you an easy way to explore, visualize, and share GIS information.
ArcGIS Productivity Suite 3.4.2 is a geographic information system for working with maps and geographic information.
A program for spatial data input, management and analysis.
ENVI allows you to extract information from geospatial imagery.
ERDAS Imagine is a collection of tools designed to process and interpret geographic imagery, with tools such as advanced remote sensing analysis and spatial modelling.
Google Earth Pro is a map of the world which allows you to zoom in and view satellite imagery.
InterpOse for Digimap is a program for processing OS Mastermap data.