ArcGIS for Desktop
ArcGIS for Desktop is the platform for creating, editing, and analyzing geographic knowledge and improving your decision making. Desktop GIS includes ready-to-use data and tools that let you build process models, scripts, and complete workflows to help you better answer questions, test predictions, and examine relationships within your data.

ArcGIS for Desktop Advanced: is the most complete desktop GIS. It includes all the functionality of ArcGIS for Desktop Standard and ArcGIS for Desktop Basic and adds advanced spatial analysis, extensive data manipulation, and high-end cartography tools. Organizations use the power of ArcGIS for Desktop Advanced every day to create, edit, and analyze their data in order to make better decisions, faster. ArcGIS for Desktop Advanced is the standard factor for GIS.

ArcGIS for Desktop Standard: is a powerful GIS desktop system for editing and managing geographic data. It includes all the functionality of ArcGIS for Desktop Basic along with additional advanced editing tools to ensure the quality of your data. ArcGIS for Desktop Standard supports single-user and multiuser editing allowing you to disconnect from the database and edit in the field.

ArcGIS for Desktop Basic: is geographic information system (GIS) software for visualizing, managing, creating, and analyzing geographic data. Using ArcGIS for Desktop Basic, you can understand the geographic context of your data, allowing you to see relationships and identify patterns in new ways.

ArcGIS Explorer: is a free downloadable application that offers an easy way to access online GIS content and capabilities. With ArcGIS Explorer, you can connect to a variety of free, ready-to-use datasets hosted by ESRI. Combine these with your own local data or other 2D and 3D Web services to create custom maps and perform spatial analysis.

ArcReader: is a free, easy-to-use desktop mapping application that allows users to view, explore, and print maps and globes. Anyone with ArcReader can view high-quality interactive maps authored by a higher level ArcGIS Desktop product and published with the ArcGIS Publisher extension.

Extension products let you add more capabilities to ArcGIS Desktop. These specialized tools allow you to perform extended tasks such as raster geoprocessing, three-dimensional analysis, and map publishing.