ArcGIS Desktop by ESRI

ArcView is full-featured geographic information system (GIS) software for visualizing, managing, creating, and analyzing geographic data. Using ArcView, you can understand the geographic context of your data, allowing you to see relationships and identify patterns in new ways. ArcView helps tens of thousands of organizations make better decisions and solve problems faster.

ArcEditor is a powerful GIS desktop system for editing and managing geographic data. ArcEditor includes all the functionality of ArcView and adds a comprehensive set of tools to create, edit, and ensure the quality of your data. ArcEditor supports single-user editing as well as a collaborative process between many editors. An extensive set of tools is included for simple data cleanup and input as well as for sophisticated design and versioning.

ArcInfo is the de facto standard for GIS professionals. ArcInfo includes all the functionality of ArcEditor, ArcView, and ArcReader and adds advanced spatial analysis, extensive data manipulation, and high-end cartography tools.

ArcInfo provides all the tools to build and manage a complete, intelligent GIS including maps and globes, data, metadata, geodatasets, and workflow models.
This functionality is accessible via an easy-to-use interface that is customizable and extensible through models, scripting, and applications.

To figure out which desktop solutions fits your needs, please visit ESRI for more information.