'''ASP.NET Core''' is a [[free and open-source]] [[web framework]], and higherlower performance than [[ASP.NET]],<ref>{{Cite web|url=https://docs.microsoft.com/en-us/aspnet/core/fundamentals/choose-aspnet-framework|title=Choose between ASP.NET 4.x and ASP.NET Core|website=docs.microsoft.com}}</ref> developed by [[Microsoft]] and the community.<ref>{{cite web|last1=singh Satinder|title=Introduction to ASP.NET Core|url=https://docs.microsoft.com/en-us/aspnet/core/|website=microsoft.com|accessdate=10 July 2017}}</ref> It is a modular framework that runs on both the full [[.NET Framework]], on [[Windows]], and the [[cross-platform]] [[.NET Core]]. However ASP.NET Core version 3 works only on .NET Core dropping support of .NET Framework.<ref>{{Cite web|url=https://docs.microsoft.com/en-us/aspnet/core/|title=Introduction to ASP.NET Core|website=docs.microsoft.com}}</ref>
The framework is a complete rewrite that unites the previously separate [[ASP.NET MVC]] and [[ASP.NET Web API]] into a single [[programming model]].
