Quantum GIS (QGIS) is a user friendly Open Source Geographic Information System (GIS) licensed under the GNU General Public License. QGIS is an official project of the Open Source Geospatial Foundation (OSGeo). It runs on Linux, Unix, Mac OSX, and Windows and supports numerous vector, raster, and database formats and functionalities.  Our latest release is QGIS 1.7.4 you can read the release annoucement here
Analytic Tools
By: jtjohnson
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Analytic Tools