Blue Marble Geographics
   Offer freeware program for viewing DGN, DWG, DXF, TAB, and MIF files.
   http://www.bluemarblegeo.com/

Click and Learn Geography Software
   Download free demo. Quickly learn all 50 states or all Presidents, teaching tool for home or school.
   http://www.clickandlearn.com/

Project GeoSim - Geography Education Software.
   Software for introductory geography courses. Modules include human population, migration modeling, and quizzes.
   http://geosim.cs.vt.edu/

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

Swamp Gas: Products for Learning US and European Geography
   We provide information about Swamp Gas geography products. They can be purchased by schools and individuals.
   http://www.swamp-gas.com/

Terra Viva
   Digital products for education, understanding, and promotion of earth sciences, global change, and worldwide geopolitical issues
   http://www.terraviva.net/

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