ArcGIS Explorer is a free GIS viewer that gives you an easy way to explore, visualize, and share GIS information.
ArcGIS Productivity Suite 2.1 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 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.
MapInfo Professional is a mapping program that allows you to display, on a single map, data from a variety of sources that are in different formats and projections.