.NET - Current Layer

.NET Framework Technologies
Windows Presentation Foundation (WPF): Use WPF for building Rich UI Windows applications.
Windows Communication Foundation (WCF): Use WCF for building and running connected systems. Next generation of Webservices!
Windows Workflow Foundation (WF): Use WF for building workflow-enabled applications on Windows.
Windows Forms: Use Windows Forms for building smart client applications.
Base Class Libraries (BCL): The BCL provides the fundamental building blocks for any application.
ASP.NET: ASP.NET is a free technology for building dynamic web applications.
ADO.NET: Use ADO.NET to access data sources such as Microsoft SQL Server, OLE DB, and XML.
Common Language Runtime (CLR): The CLR is the .NET Framework run-time environment.
Windows CardSpace: Windows CardSpace provides the consistent user experience required by the identity metasystem.
.NET Compact Framework: Use .NET Compact Framework to build applications for Windows CE-based devices.