NET is a free, cross-platform, open source developer platform for building many different types of applications. With . NET, you can use multiple languages, editors, and libraries to build for web, mobile, desktop, games, and IoT.

What is called the NET?

The Internet, sometimes called simply “the Net,” is a worldwide system of computer networks — a network of networks in which users at any one computer can, if they have permission, get information from any other computer (and sometimes talk directly to users at other computers).

What is .NET and C#?

In simple terms, C# is a programming language, whereas . NET is the framework on which the language is built. Microsoft created . NET (Network Enabled Technology), and . NET developers will use programming languages such as C#.