GRASS GIS (Geographic Resources Analysis Support System)

GRASS: Introduction

Advanced search
Intro Docs Download Community Applications Development Sponsors

First time users






Geographic Resources Analysis Support System

Commonly referred to as GRASS, this is a free Geographic Information System (GIS) used for geospatial data management and analysis, image processing, graphics/maps production, spatial modeling, and visualization. GRASS is currently used in academic and commercial settings around the world, as well as by many governmental agencies and environmental consulting companies. GRASS is an official project of the Open Source Geospatial Foundation.

See also: Wikipedia entry (EN).

See also: GRASS User map.

Screenshot topo sheet (DRG) draped over elevation model/NVIZ

Newcomers: How to start with GRASS?

Here some pointers:

Commercial GRASS support

There are numerous companies providing professional support.

Who is using GRASS?

According to our download statistics, there are thousands of GRASS users worldwide (please post your reference to get listed).

Academic institutions, governmental agencies, public administration:

© 1999-2011 GRASS Development Team
Imprint | Comments about this page