GIS and Digital Spatial Data Research Guide

GIS Data Guide published by Syracuse University. This resource defines geographic information systems, provides a glossary list of GIS terms, and shares 20 free, open-source software tools for building GIS maps. Also highlighted are five unique examples of problem-solving GIS maps such as heat, category, quantity, bubble, and dot density.

The leading free GIS data server.

A programming language for simple spatial simulations in 2d and 3d.

A language and environment for statistical computing, including a large number of spatial extensions.

A complete graphical environment for R.

The leading programming language for spatial applications.

The leading GIS software for utilities and other 3d applications.

A free high performance enterprise level database with spatial extensions.