
QGIS is a free, robust, evolving, open source GIS application which began in 2002. It is supported by a large and devoted user community. 'Q' is platform agnostic and operates in Android, Linux, Mac OSX and Windows environments. The application has been translated into more than 40 languages and currently has over 1400 independently developed, functionality plugins which can be found at the QGIS Python Plugin Repository. 'Q' integrates easily with other open source GIS applications such as GRASS and PostGIS, and is considered to function on par with ArcGIS in terms of geoprocessing and spatial analysis capabilities.
QGIS Training Resources
QGIS documentation and training are provided and supported by a vibrant user community. Follow the 'FOR USERS' and 'DOCUMENTATION' links for various guides, manuals, and tutorials.
Additional resources for Q
GeoDeltaLabs
A youtube channel with instructional videos covering ArcGIS, Google Earth, QGIS and other GIS related topics.