“This is a repackaged open-source software product with optional support and maintenance available.

.NET is a free, cross-platform, open-source developer platform designed for creating a variety of applications. With .NET, you have the flexibility to use multiple programming languages, editors, and libraries to develop applications for web, mobile, desktop, games, IoT, and other platforms. You can write .NET applications in languages such as C#, F#, or Visual Basic.

The ASP.NET Core Runtime enables you to run applications built with .NET.”