A Table of Contents can make it easier to navigate long documents, but manually updating the TOC can take time away from editing the document. Let this plugin generate the TOC from the headings.
iHTML (Inline HTML) is a server-side programming language for developing dynamic web pages. This HTML-Kit plugin provides a set of menus for authoring iHTML.
SMIL 1.0 (Synchronized Multimedia Integration Language) plugin containing shortcuts and short descriptions for elements, attributes and enumerated values.