.NET is a developer platform with tools and libraries for building any type of app, including web, mobile, desktop, games, IoT, cloud, and microservices.

At the heart of the .NET Platform is the .NET Framework, a high-productivity, multilanguage development and execution environment for building and running Web services with important …

In simple terms, the .NET platform is a software that can do these tasks: Translate .NET programming language code into instructions that a computing device can process. Provide …

Dec 9, 2025 · Free downloads for building and running .NET apps on Linux, macOS, and Windows. Runtimes, SDKs, and developer packs for .NET Framework, .NET, and ASP.NET.

Dec 9, 2025 · Official .NET downloads for Linux, macOS, and Windows. . NET is a free, cross-platform, open-source developer platform for building many different types of applications.

Nov 7, 2025 · See Get started with .NET to learn how to create .NET apps. You can build many types of apps with .NET, such as cloud, IoT, and games, using free cross-platform tools.

Microsoft began developing .NET Framework in the late 1990s, originally under the name of Next Generation Windows Services (NGWS), as part of the Microsoft .NET strategy.

Learn to use .NET to create applications on any platform using C#, F#, and Visual Basic. Browse API reference, sample code, tutorials, and more.

.NET is a free, cross-platform, open-source developer platform. . NET has languages, editors, and libraries to build for web, mobile, desktop, games, and IoT.

Learn about .NET, an open-source developer platform for building many different types of applications.