.NET is the free, open-source, cross-platform framework for building modern apps and powerful cloud services.

Free and open source

.NET 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.

Fast and cross-platform

.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.

Modern and productive

.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.