.NET (aka .NET Core) is a free and open-source project, developed and maintained on GitHub, the home for millions of developers who want to build great things together.
.NET helps you build apps for web, mobile, desktop, cloud, and more. With its large supportive ecosystem and powerful tooling, .NET is the most productive platform for developers.
.NET performs faster than any other popular framework, according to TechEmpower. You can write, run, and build on multiple platforms, including Windows, Linux, and macOS.