ASP.NET Core is an open source, cross-platform and high-performance web framework to build the web application which can be run on Windows, Mac or Linux operating system.

It is actually a cross-platform, open-source framework for the development of internet-connected, cloud-based modern web applications. Through this framework, it is quite possible to create more effective web apps as well as services along with mobile app backends and even IoT apps

Advantages of ASP.NET Core

• Fast - It is a lightweight, high-performance web framework.
• Integration of Modern UI Framework - ASP.NET Core support modern, a Client-side framework like AngularJs, ReactJs and React with Redux etc. ASP.NET framework supports client-side framework templates like AngularJs, ReactJs and React with Redux etc.
• Hosting - It has the ability to host on IIS, Apache, Docker or Self Hosting.
• Cross Platform -  ASP.NET Core web application can run on Windows, Mac, Linux development tools.
• Support Built-In Dependency Injection -   It supports built-in Dependency Injection.
• Supports Modular - It support modular HTTP request.
• Open-Source - It is an open-source and community-focused web framework.
• Side-by-side app versioning - ASP.NET Core runs on .NET Core which supports the simultaneous running of multiple versions of applications.