… map data on your computer. Quantum GIS (QGIS) supports many common spatial data formats (e.g. ESRI ShapeFile, geotiff). QGIS supports plugins to do things like display tracks from your GPS. QGIS aims to be an easy to use GIS, providing common functions …
Python Console Support for External Python Plugins And more. Also Available: Download QGIS for Mac Quantum GIS provides you with a Geographic Information System (GIS) to help you quickly and easily create or just browse existing map data. The More about Quantum GIS
… * Geospatial Analysis: Measure distances and areas, visualize and record changes to your data
maps with demographical details and historical traffic, import GIS data, generate videos, calculate areas, and create maps Google Earth Pro comes with the same features and imagery More about Google Earth Pro