MapWindow GIS (www.mapwindow.org) is a free GIS that you can use without needing to have ArcView or ArcGIS. Once you've added the MMP Tools plug-in to MapWindow, you can follow the instructions below ...

If you've ever zoomed around the globe with Google Earth, you know how much fun it can be to work with geospatial data. When I need a diversion, I often fire up Google Earth and float above the ...

James Gray continues his review of desktop Geographic Information System (GIS) applications with an introduction to the concepts needed to get started with the user-friendly, open-source Quantum GIS.