WYSIWYG preview which is not coupled with a particular editor - one can use it with any editor with DOM model support. HTML Preview provides the following features:
Automatic refresh (enabled by default)
Refresh on save
Navigation from source to view and vice versa
Package manager for the Web
HTML5 Widget Palette
Power of jQuery, Ionic and HTML5
HTML5 Palette has the following groups of widgets: jQuery Mobile, Ionic and HTML5. It also shows your last used and most popular widgets.
HTML5 Palette Wizards
Wizards helps you to add widgets to your HTML page. The wizards can add JS/CSS references automatically if they are missing on the page.