Absolute floating menu is a module for Joomla that allows to make other modules to follow user scrolling, returning to a visible area. This animated process will surely draw visitor's attention to whatever there is, be it a menu or a toolbar.
Easily add custom HTML code within a module position with Custom HTML Advanced module for Joomla!
AutoAnchor Menu makes it possible to navigate between the sections of a long article by automatically generating menu from the header tags in the article.
Fixed'n'Sticky is a module for Joomla that allows to make other modules appear locked (fixed) within browser window whenever it's module position is shown.