.NET Framework

The .NET Framework is a popular development platform for building apps for Windows, Windows Store, Windows Phone, Windows Server, and Windows Azure. The .NET Framework platform includes the C# and Visual Basic programming languages, the common language runtime, and an extensive class library.

.NET Tools and SDKs

What's New with .NET Framework

.NET Framework

Portable HttpClient is now available as RC
Three months ago we shipped the first preview of the portable HttpClient. Many of you wondered when we would ship the RTM version. Today, we’re ... more

Redirecting ASP.NET Legacy URLs to Extensionless with the IIS Rewrite Module
ASP.NET has included support for "friendly URLs" for a while now. ASP.NET MVC has always supported friendly URLs and more recently, so has W... more

ASP.NET hosts six community created SPA templates now
Since announcement of 4 community created Single Page Application templates when releasing ASP.NET and Web Tools 2012.2 in February 2013, the communit... more

One ASP.NET: Nancy.Templates for Visual Studio
I hope you've updated to Visual Studio 2012.2 and picked up Web Essentials because we're continuing to add goodness all the time. As we march ... more

Get Started

	.NET Framework Development Guide Learn how to create, configure, debug, secure, and deploy your .NET Framework apps with our roadmap. Check out the how-to and walkthrough directory to find the code examples that you need. Also learn how to write cross-platform libraries with Portable Class Libraries.
	What’s New in the .NET Framework 4.5 Read about the many new features and enhancements, including the new asynchronous programming model, the new HTTP API, Workflow authoring and versioning enhancements, and support for creating Windows Store apps.
	Developing Apps for Microsoft Platforms Visit MSDN to learn about creating apps that build your business, for Windows Store, Windows Phone, and Windows Azure.

.NET Framework Downloads

Who’s Talking about .NET?

.NET Libraries (NuGet)

Microsoft Platforms

Featured Partners

SpreadsheetGear LLC
Add the leading Microsoft Excel compatible reporting, dashboards, charting, calculations and more to your ASP.NET, Windows Forms, WPF and Silverlight applications with SpreadsheetGear 2012.