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Science & Technology

Geographic Resources Analysis Support System

"Commonly referred to as GRASS, this is free Geographic Information System (GIS) software 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."

Also, they are apart of the Google Summer of Code.....

URL: 
GRASS

Open-Router.org

"ORP is a stand-alone GNU/Linux distribution which aims to be a complete PC-based router solution."

URL: 
Open-Router Project

Geospatial Data Abstraction Library

A translator of raster (picture-like things, like satellite images) data formats.

URL: 
GDAL

User-friendly desktop internet GIS

Don't believe it? Look at some screenshots!

The goal of uDig is to provide a complete Java solution for desktop GIS data access, editing, and viewing. uDig aims to be:

URL: 
uDig

OpenStreetMap

One of the most used and updated open source tool.

"OpenStreetMap allows you to view, edit and use geographical data in a collaborative way from anywhere on Earth."

 

URL: 
http://www.openstreetmap.org/

Open Source GIS links and tools

A collection of tools and links to open source geo-stuff. Comes with helpful descriptions. *Beware of some faulty or broken links. If you encounter this problem, usually "google"-ing the link will bring you to the correct site.*

URL: 
Open Source GIS