• Download binaries if you want to install ready-to-use GRASS GIS. Binaries need some hundred megabytes of disk space.
  • Download source code if you want to develop your own GRASS extensions or run GRASS on a special computer platform. The source code needs around 350MB+ of disk space.
  • First time users should explore the first steps tutorial after installing.

GRASS GIS version matrix

[ GRASS: 6.4 stable | 7.0 beta | 7.1 devel ]

S
T
A
B
L
E
GRASS 6.4.3 (stable version; new GUI, more...)
Most users will want to install this officially released version.
Binaries Source code Manuals
GNU/Linux GNU/Linux
MS-Windows MS-Windows
MacOSX Mac OSX

See source code download page

Release notes


B
E
T
A

GRASS 7.0 (beta, upcoming stable version, more...)
Beta version for next stable release, see New Features and GRASS GIS 7.0.0 beta announcement
Direct compatibility with earlier versions is not guaranteed but provided with automated conversion tools (affects vector topology).

Binaries Source code Manuals
GNU/Linux GNU/Linux
MS-Windows MS-Windows
MacOSX Mac OSX

See source code download page


D
E
V
E
L
GRASS 7.1 (active development version, more...)
Development and experimental, but very promising (see New Features) and usually works.
Binaries Source code Manuals
GNU/Linux Generic GNU/Linux 64bit (weekly snaphots)
MS-Windows MS-Windows (daily snaphots)
MacOSX Mac OSX (upcoming) (monthly snapshots)
See source code download page

Requirements

License of GRASS GIS

GRASS GIS >= 5 is published under the GNU General Public License (GPL) (see GRASS 6.4 statement: COPYING).

Citing GRASS GIS Software

Please cite GRASS when using the software in your work. See here for some choices depending on the version used.

Old GRASS GIS versions

Detailed GRASS GIS Releases page with links to source code back to the year 1990 etc.

Download >> Software | Last change: 20-Apr-2014