Free GIS Stuff
All of the costs involved to learn GIS, purchase hardware and software, and obtain data can be a bit disarming. Listed here are some completely free GIS related resources.
ArcVoyager Special Edition
A package designed expressly for school use, based on ESRI’s ArcView, and available for both Windows and Macintosh systems. ArcVoyager Special Edition contains runtime ArcView and come with pre-packaged data.
Free Applications
Listing of free software applications. Choose from public domain software applications to light versions of some of the more popular commercial packages.
Free Data
Most of the resources listed here are available at no cost. Find free data from all over the world and from a variety of formats
Free Data Viewers
Free data viewers for a variety of GIS formats. These viewers allow you to display geographic data as well as perform some basic GIS functions.
Free ESRI Courses
Free online course modules from ESRI’s Virtual Campus site. Learn the basics of many of their software packages and extensions or take some concept courses such as a review of projections.
Free GeoTools Blog
If you are looking to learn about cheap or free tools to help you with your spatial work, this blog is a good source for tips. Run by Leszek Pawlowicz, this blog has resources for shapefile utilities, working with Google maps and tips for your GPS unit.
FreeGIS
Web site dedicated to highlighting GIS software, tools and data that is available for free. For a nominal fee, you can also order their FreeGIS CD containing Free GIS software and data.
Free Map Servers
Want to launch maps over the internet but can’t afford commercial software? Check here for links to free map servers.
Fun with GIS
All work and no play makes for a very boring GISer. Take a break from your hectic day of mapping and spatial analysis with these fun links. Send a postcard, take a quiz or learn some trivia.
Open Source
Open Source programs are applications of which you can access the source code. Listed here are available open source GIS-based applications you can download written for a variety of platforms and in various languages.


Is there a free address locator that can be used as an ArcGIS extension?
I want to inquiry about how Ican connect maps and database tables with online website
Does anyone know of a camp for High School Students interested in GIS/GPS?
Here two relevant links:
http://grass.osgeo.org/ – Commonly referred to as GRASS, this is a 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 official project of the Open Source Geospatial Foundation.
http://www.osgeo.org/ – The Open Source Geospatial Foundation has been created to support and build the highest-quality open source geospatial software. The foundation’s goal is to encourage the use and collaborative development of community-led projects.
Yes, there is a free address locator for ArcGIS called MainStreetAddressSearch that you can download from http://www.mainstreetgis.com
I’m investigating a career that uses Geographic Information Systems, and I think it’s a good thing that I’ve found some Free GIS Stuff.
UGL offers free geomatics engineering software — COGO calculation, field and map traverse adjustment, and coordinate transformation — on Windows, Palm, and Pocket computers, for students and professionals.
Version 08.12 (released on 2008.12.22) of Copan for Windows has improved support for the different bearing (or direction) formats used around the world.
Copan is a free coordinate geometry (COGO) tool for field surveyors and map drafters.
Hi,
does anyone know of a freeware Gis software wich has the ability to represent wind gradient with an arrow. Now, this arrow should be proportional to the velocity of the wind and of course, should point in it’s direction.
Thanks