

GRASS GIS
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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.
License model
- Free • Open Source
Application types
Country of Origin
United States
Platforms
- Mac
- Windows
- Linux
Features
GRASS GIS News & Activities
Highlights All activities
Recent activities
No activities found.
GRASS GIS information
AlternativeTo Category
Travel & LocationGitHub repository
- 961 Stars
- 361 Forks
- 656 Open Issues
- Updated Jul 9, 2025
Comments and Reviews
GRASS is probably harder to use than QGIS. If you need to use a GRASS feature, a correctly installed version of QGIS will probably include GRASS as well, so useful geoprocessing tools, as v.clean, can be easily used (Windows users should use the OSGeo4W bundles, openSUSE users can find good builds looking for Application:Geo OBS repository, though it may be wise to lock well tested packages to prevent update and unexpected breakage).