ASP.NET is the successor of Active Server Pages or ASP. ASP was a classic server-side framework from Microsoft that was released in 1996. The first version of ASP.NET was released in 2002. It was, and still is, built on the .NET Framework CLR, allowing .NET developers to write web applications with .NET.
ASP.NET Core is a complete rewrite of ASP.NET meant to modernize the platform using the latest programming techniques. It greatly increased speed and ease-of-use. As of ASP.NET Core, the framework is open sourced; the source code can ...