What Server Model (language) do you use?

What is your common Server Model (language) that you use. Wheather you use DW or not.

PHP? ASP? .NET? JSP? ColdFusion? A couple (like ASP & .NET, CF & JSP, etc.)?

There are many answer groups below, please read through them all before voting. If none of the answers fit you, then please vote the closest one and post a review comment below with your custom answer.