Microsoft .NET Framework 2.0

The .NET Framework is Microsoft's managed code programming model for building applications on Windows clients, servers, and mobile or embedded devices. Developers use .NET to build applications of many types: Web applications, server applications, smart client applications, console applications, database applications, and more.
To support this variety, the .NET Framework includes a broad set of supporting class libraries, including: Windows Presentation Foundation (WPF), for visually stunning user experiences on Windows clients; Windows Communication Foundation (WCF), enabling fast and flexible communications among applications across your enterprise; Windows Workflow Foundation (WF), allowing developers to build workflows into any application; ASP.NET, for high-performance and interactive Web-based applications; Libraries for handling XML, data, IO, cryptography, text-to-speech, and more.