ArcGIS Server and ArcGIS Online

ArcGIS Server has been at the core of Esri's product offerings for many years. It has provided GIS services to organizations across the world. As described by Esri:

Note

ArcGIS Server enables the publishing and sharing of GIS resources (e.g., maps, locators, GP models) as web services so they can be accessed and used over the Web/intranet. It is a product that you would typically install and configure on-premise in your organization.

In 2012 ArcGIS Online was launched, a cloud-based GIS "software as a service" or SaaS. Again from Esri:

Note

"ArcGIS Online" is the online component of ArcGIS. It is a complete, cloud-based, collaborative content management system for working with geographic information. The platform provides an on-demand, secure, open, and configurable infrastructure for creating web maps, web-enabling your data, sharing your map, data, and applications, and managing content and multiple users from your organization.

ArcGIS Online provides a new more...