Leandro Arndt

Add HTML <div> tags directly on the visual editor using [div] shortcode. 
Usage:
<ul>
<li>[div]Your content here[/div]</li>
<li>[div class=”your css classes”]Content[/div]</li>
<li>[div embed=”http://em.bd/123″]</li>
<li>[div embed=”http://em.bd/123″ class=”your css classes”]</li>
<li>[div class=”your css classes”]http://em.bd/123[/div]</li>
</ul>
etc.
Diver development home: http://github.com/leandroarndt/diver/

Diver

Add HTML <div> tags directly on the visual editor. Supports css classes and media embedding parameters. Use shortcode [div].

WPShowCase

Quote Tag plugin displays short quotations within <q> tags as quotes. For example, <q>Believe you can and you’re 
halfway there</q> is displayed as “Believe you can and you’re halfway there“.
Quote Tag plugin works for pages, posts and custom posts using the tinymce’s html editor.

Quote Tag

Quote Tag plugin turns <q> tags into quotations to encourage semantically correct html. Works in all browsers.

Diver vs Quote Tag