You can download GRASS GIS 7.8.3 from our software library for free. The actual developer of the free program is GRASS Development Team. The most popular versions among GRASS GIS users are 7.8, 7.4 and 7.2. GRASS GIS is suitable for 32-bit versions of Windows 7/8/10. The current installation package available for download occupies 160.1 MB on disk. Our built-in antivirus scanned this download and rated it as virus free. GRASS GIS lies within Education Tools, more precisely Science Tools.
From the developer:
Geographic Resources Analysis Support System, commonly referred to as GRASS GIS , is a Geographic Information System (GIS) used for data management, image processing, graphics production, spatial modelling, and visualization of many types of data. It is Free (Libre) Software/Open Source released under GNU General Public License (GPL) >= V2. GRASS GIS is an official project of the Open Source Geospatial Foundation.
You may want to check out more software, such as GiS USB Treiber, NetCAD GIS or Quantum GIS Tethys , which might be related to GRASS GIS.