What is GRASS GIS?
GRASS GIS is a mature open-source GIS focused on geospatial analysis: raster modelling, hydrology, terrain analysis, image processing and time series. It can also be used from inside QGIS and from Python.
Open source Open source
GRASS GIS
Open-source GIS for advanced raster, vector and terrain analysis
Key features
- Raster and terrain analysis
- Hydrological modelling
- Image processing
- Python and command-line scripting
Pricing
- Model
- Open source
- Starts at
- Free
- Free tier
- Free to use
- Software licence
- GPL-2.0+
Prices change often. Check the official pricing page before you buy.
Licensing & map usage
Commercial useAllowed
Export / print map imagesAllowed
Offline use / cachingAllowed
Summary only, not legal advice. The provider's current terms always apply.
GRASS GIS alternatives
See allMapInfo Pro
precisely.comDesktop GIS for business location analysis
SAGA GIS
saga-gis.sourceforge.ioFree GIS with a large library of terrain and raster analysis tools
QGIS
qgis.orgFree and open-source desktop GIS for Windows, macOS and Linux
ArcGIS Pro
esri.comEsri's professional desktop GIS
Maptitude
caliper.comLow-cost desktop mapping with bundled demographic data
Global Mapper
bluemarblegeo.comAffordable desktop GIS with strong format support and terrain tools
Compare: GRASS GIS vs MapInfo ProGRASS GIS vs SAGA GISGRASS GIS vs QGISGRASS GIS vs ArcGIS ProGRASS GIS vs Maptitude