If you're looking to create your own customized maps or preform analysis with GIS you will need software or utilities. Depending on your needs, you will either want to use desktop software on your computer, or use an online platform.
A popular free and open source application with a large user and development community. Provides complex analysis and cartographic capabilities with support for additional functionality through user-developed plugins. Part of the larger OpenGeo Suite of applications.
(UA Access Only) ESRI's online web GIS system that allows users to create and share maps, scenes, applications, layers, analytics, and data. The University of Arizona has an organizational account with a credit pool that allows users to access and use the full suite of capabilities.
A freemium web platform offering Free, Basic, Pro, and Enterprise Level account capabilities. Offers integrated data management, data visualizations, geolocation, and online support services that allow users to create and share an unlimited number of maps and data.
(UA Access Only) An Esri powered service providing analytical capabilities for economic and business data to enable location aware decision making and learning for businesses and business students. Contact Tawny Lockner for a University of Arizona User Account