Blue Marble Geographics Offer freeware program for viewing DGN, DWG, DXF, TAB, and MIF files. http://www.bluemarblegeo.com/
Real World Interface A project within Lysator, attempting to present geography-oriented information using computers. http://www.lysator.liu.se/rwi/
Software and Commercial Vendors Resources from the University of Colorado's Department of Geography. http://www.colorado.edu/geography/virtdept/resources/vendors/vendors.htm
Spatial Geo-Link Spatial Geo-Link is Leica Geosystems distributor for Erdas Imagine products in Canada http://www.spatialgeolink.com
Terra Viva Digital products for education, understanding, and promotion of earth sciences, global change, and worldwide geopolitical issues http://www.terraviva.net/
UTM Converter Applet for converting UTM to latitude and longitude and vice versa. http://www.angelfire.com/geek/utmapplet/
WinGlobe A simple interactive globe for the desktop that can tell you what time it is in cities around the world. http://www.djuga.net/winglobe.html
ZipMath A software package that performs distance calculations based on zipcodes. CoversUnited States and Canada locations. Runs on a web server or local Windows platform. http://www.zipmath.com