ArcGIS API for Microsoft Silverlight/WPF
Create rich Internet and desktop applications.
Get started now.
Yes. The ArcGIS Resource Centers provide online software developer kits, code galleries, sample code, and content that you can include in your applications.
Other free resources include
EDN subscribers receive incremental software updates and releases, technical documents, samples, and developer utilities.
Yes. You can find a list of recommended classes for EDN subscribers on the ESRI Training and Education Web site.
ArcObjects is a library of platform-independent software components, written in C++, that provides services to support GIS applications, either on the desktop in the form of thick and thin clients or on a server for Web and traditional client/server deployments. Because this architecture supports a number of unique ArcGIS products with specialized requirements, all ArcObjects components are designed and built to support a multiuse scenario.

Libraries of appropriate ArcObjects are packaged into developer kits for ArcGIS, providing a common developer experience across ArcGIS Desktop, ArcGIS Engine, and ArcGIS Server products.
No. EDN software licenses are solely for the purposes of research, development, testing, and demonstration of your application. To obtain production licenses, please contact ESRI.
EDN supports multiple developer APIs. These include Component Object Model (COM), .NET, Java, and C++.
Yes, the Mobile Application Developer Framework (ADF) in ArcGIS Server can be used to connect to ArcGIS Server Advanced edition. The type of Web ADF, .NET or Java, installed on the server does not matter. The server object container (SOC) must be installed on a Windows machine. SOCs installed on Linux and Solaris machines do not work with the Mobile ADF.
An EDN subscription is sold to an individual developer. Each developer who is using the components of EDN must have a personal subscription. For more details, see the ESRI Master License Agreement (MLA).
Some of the uses that are not authorized include data conversion and migration, GIS analysis, and map production.
Yes. Software updates that are released during the subscription period will be sent to the subscriber.