What is .NET Core

.NET Core is a free, open-source, cross-platform framework for building modern applications. It allows developers to build applications for Windows, Linux, and macOS using a variety of programming languages, such as C#, F#, and Visual Basic. It provides a consistent and modular architecture that enables developers to easily create high-performance and scalable applications. Additionally, it comes with a rich set of libraries and tools that simplify the development process and increase developer productivity.