pop!site allows you to add logic and reusability to HTML, by building your own custom tags and content rules. pop!site 2.0 is a desktop development environment for web developers with new features such as, a built-in pop!talk-aware editor, integrated pop!talk compiler with 'smart' error marking, ready-to-go component libary, a highly customizable web-style user-interface and extensive documentation. Internet Explorer 4.0 is required to run pop!site 2.0.