Windows Phone, Microsoft Azure, and XML Web services. It is developed by Microsoft and runs on Microsoft Windows. The .NET Framework consists of a The .NET Framework is a programming model that supports building and running of software applications for Windows, Windows Server, large class library known as Framework Class Library (FCL), and Common Language Runtime (CLR) which provides language interoperability across several programming languages.
Reliable:.NET has been used to develop thousand of applications. Its performance on Microsoft Window Server 2003 and Windows 2000 server is also very stable and reliable.
Securable:.NET offers enhanced application security as web application developed using ASP.NET and managed code and CLR offer safeguard feature such as code access security.
Deployment:With feature such as no-impact applications, private components, controlled code sharing, side-by-side versioning and partially trusted code
Not anymore! Thanks to .NET Core, a set of tools consisting of the runtime, library and compiler components, you can create apps that run on Windows, Mac OS X and Linux. .NET Core runtime, libraries, and compiler are all open source on GitHub and are taking contributions.