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A Free and Open Source Geographic Information System
GRASS GIS, commonly referred to as GRASS (Geographic Resources Analysis Support System), is a free and open source Geographic Information System (GIS) software suite used for geospatial data management and analysis, image processing, graphics and maps production, spatial modeling, and visualization.
Make a Map. Create a map that can be viewed in a browser, desktop or mobile device. Share it on a blog, via email, or embed it in a website.
Earlham College • 801 National Road West • Richmond, Indiana 47374-4095