ASP.NET Core is a new open-source and cross-platform .NET framework for building modern cloud-based web applications on Windows, Mac, or Linux.
ASP.NET Core is a cross-platform, high-performance, open-source framework for building modern, cloud-based, Internet-connected applications. With ASP.NET Core, you can:
Build web apps and services, IoT apps, and mobile backends.
Use your favorite development tools on Windows, macOS, and Linux.
Deploy to the cloud or on-premises.
Run on .NET Core or .NET Framework.