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.NET Framework and .NET SDKs

The .NET Framework is the easiest way to build apps on the Microsoft platform. You can download Visual Studio Express for free, and be coding in just a few minutes. You can also use the .NET SDKs and targeting packs to build apps for a given Microsoft platform, such as Microsoft Azure.

What's New with .NET Framework

.NET Framework and .NET SDK Downloads

Why Katana should be on your radar
Agility, flexibility and composition : Unlike traditional ASP.NET, Katana decouples components, which are independently updatable by NuGet. Rather bei... more
Sharing code across platforms
At Build we announced two great ways to re-use your code: the new Universal Windows apps, and the improved portable class libraries. They both help yo... more
Autofac and Azure Mobile Services .NET Backend (Link)
Posted the blog Autofac and Azure Mobile Services .NET Backend on the Azure Mobile Services Team Blog explaining how the .NET backend and you can use ... more
Visualizing Roslyn Syntax Trees
Hello everyone! I hope you had a chance to catch the recent announcements around the .NET Compiler Platform (“Roslyn”). If not, I encourage you to vie... more

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.NET Compiler Platform ("Roslyn")

The .NET Compiler Platform ("Roslyn") provides open-source C# and Visual Basic compilers with rich code analysis APIs. You can build code analysis tools with the same APIs that Microsoft is using to implement Visual Studio!

Microsoft .NET Native

.NET Native compiles C# to native machine code that performs like C++. You will continue to benefit from the productivity and familiarity of the .NET Framework with the great performance of native code. Popular Windows Store apps start up to 60% faster and use 15-20% less memory when compiled with .NET Native.

.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 Microsoft Azure.

Featured Partners

Developer Express Inc.
Developer Express Inc.
Feature-complete development tools for Windows, Web and Mobile. Everything you'll need to create stunning enterprise-ready applications across .NET platforms.