This guide will help you find spatial data (with an emphasis on Geographic Information System (GIS) data), online maps, and static maps, as well as resources for teaching and learning with spatial information.
Alternatives to ESRI's ArcGIS products are growing in popularity and quality, and have become commonplace in classrooms and workplaces. This page will feature tools, instructional content, and other resources related to open source spatial tools.
"QGIS is a user friendly Open Source Geographic Information System (GIS) licensed under the GNU General Public License. QGIS is an official project of the Open Source Geospatial Foundation (OSGeo). It runs on Linux, Unix, Mac OSX, Windows and Android and supports numerous vector, raster, and database formats and functionalities."
"GRASS (Geographic Resources Analysis Support System) is a free and open source Geographic Information System (GIS) software suite used for geospatial data management and analysis, image processing, graphics and maps production, spatial modeling, and visualization. GRASS GIS is currently used in academic and commercial settings around the world, as well as by many governmental agencies and environmental consulting companies. It is a founding member of the Open Source Geospatial Foundation (OSGeo)."