GRASS GIS free download

GRASS GIS SNAPSHOT

GRASS GIS (Geographic Resources Analysis Support System) is an open source, Free Software Geographical Information System (GIS) with raster, topological vector, image processing, and graphics production functionality that operates on various platforms through a graphical user interface and shell in X-Windows.

Alternative Windows software: None
Software requirements: C-compiler (cc, gcc, egcs, ...)
GNU make is recommended
zlib compression library
libz:
flex
parser generator (yacc, bison)
libncurses4.x/5.x
X11 window system for graphical output, development libraries (X development libraries, in some linux distributions they are separate packages)

Optional requirements:
Tcl/Tk 8.x libraries (they include 'wish') to use TclTkGRASS Interface and to compile src.contrib/GMSL/NVIZ2.2/

Mesa-3.x (openGL clone) required for NVIZ2.2

FFTW 2.x (library for computing the Discrete Fourier Transform) required for i.fft and i.ifft modules


LAPACK / BLAS (libraries for numerical computing) required for GMATH library (GRASS numerical lib)


libpng;
libjpeg;
libtiff;
libgd (for PNG driver), preferably GD 2.x.

netpbm-tools/libraries
PostgreSQL libraries (for the PostgreSQL database interface)
Unix ODBC (for the ODBC database interface)
Only required for "xanim" and "ogl3d": the Motif or Lesstif libraries
r.in.gdal requires GDAL - Geospatial Data Abstraction Library
R language (for the R language interface)
FreeType2 (for d.text.freetype)
Hardware requirements: None

GRASS GIS is the property of respective authors, vendors and developers. You can download GRASS GIS for your hardware. If you want to use GRASS GIS for other purpose, Please contact the authors, vendors and developers of GRASS GIS.