HEATKEYS

GRASS GIS (Geographic Resources Analysis Support System) is an open source, free software (FOSS) Geographical Information System (GIS) with raster, topological vector, image processing, and visualization functionality

SourceForge.net. Fast, secure and free downloads from the largest Open Source applications and software directory

Linux and GIS and Geographic Information Systems and Open Source

ACDSee Photo Software, Picture Viewer, Image Viewer, photo album software, professional photo editing software, photo editor, Digital Camera software, photo sharing software, Canvas Vector Illustration, GIS Imaging, Picture Printing.

Esri

The Institute for Mapping Technology is an organization dedicated to continuing education in the GIS sector. We feel that there are dozens of occupations that would greatly benefit from GIS but can?t justify the expense of commercial GIS programs. Th...

The GIS Data Depot provides FREE GIS data downloads and creates custom GIS data CD-ROMs for CAD, mapping, and location based applications.

The GeoCommunity provides FREE and shareware GIS and CAD software tools, utilities, compression programs, translators, and map viewers for mapping and location based applications

Opening page of web site

CAD – sometimes spelled CADD- is an acronym for Computer Aided Design. Put simply, CAD is the process of using software to create a model of your design in a virtual environment before incurring the cost of testing them in the real world.

Create interactive maps using the award-winning free StatPlanet software. Explore thousands of world stats through interactive maps and visualizations.