ASP.NET Core is a .Net framework which is open-source and as well as a cross-platform application developed by Microsoft which helps programmers to create Web Applications and Web Services. This is a new framework and can be used on Linux, Mac OS, and Windows. As per advice of Microsoft, ASP.NET Core can be used for high-scalable Web Applications. One of the benefits of ASP.NET Core is that it brings together ASP.NET MVC and ASP.NET Web API into one framework.