GRASS GIS vs ILWIS

GRASS GIS plans

• GRASS GISFree

ILWIS plans

• ILWIS OpenFree

Pick GRASS GIS if…

GRASS GIS suits scientists, researchers, developers, government agencies, universities, and companies working with geographic data. Its range of interfaces and analysis tools may fit users who need raster, vector, or other geospatial processing.

Pick ILWIS if…

You want what its maker publishes above — check its page for the details.