Most popular .NET web frameworks

What is most popular .NET WEB Frameworks? Web frameworks for .NET - some confusion around the difference between WebForms, ASP.NET MVC, FubuMVC, ASP.NET.  Basic explanations of these frameworks, what the intended audience is for each, and what the strengths and weaknesses are of this Frameworks. This is not an exhaustive list. It does not include all the frameworks that are out there. There are