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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

Be Communities is a social networking site for those in the architecture, engineering, construction, operations, and GIS communities with tools such as forums, blogs, a resource gallery, and a wiki for connecting, communicating, and learning from eac...

GTX Corporation is dedicated to the development of technologically advanced proprietary raster-to-vector conversion and editing software to bridge paper to CAD. GTX is now providing new intelligent digital imaging solutions for your small format doc...