GRASS

Geographic Resources Analysis Support System (GRASS) is a GIS software application under a GNU GPL license originally developed by the US Government.

Official GRASS Site
Headquarters site of GRASS. Find download sites, and supporting documentation about GRASS.

GRASS Wiki
Wiki in support of GRASS. Find information about GRASS or contribute your own knowledge about this open source software.

FreeGIS
FreeGIS CD for GNU/Linux. This CD contains GRASS, a GIS software application as well as server software for web-based, interactive mapping and programming libraries to enhance GIS development.

GRASS Developer’s Forum
Email-based discussion list for developers that improve and contribute source code.

GRASS – the Free GIS
August 2000 article by Dr. Richard Shepard of Applied Ecosystem Services. This Directions Magazine piece discusses the background of GRASS and its capabilities.

GRASS How To
Guide written in 1997 by David A. Hastings of NOAA.