Bringing advanced geospatial technologies to the world
Get your free, libre and open source copy of the GRASS GIS software
Get to know the GRASS GIS ecosystem with manuals,tutorials and more
Contribute to Open Source Geospatial through GRASS GIS developement
Meet the GRASS GIS community at FOSS4G 2020 in Calgary, Canada !
GRASS GIS is a founding member of the Open Source Geospatial Foundation