Neil Mickelson

This plugin allows page authors to easily demonstrate shortcodes in their posts and pages by wrapping them inside a shortcode that does—well, nothing. It’s a NOOP.
<h3>Usage</h3>
Just wrap the shortcode you’re trying to demonstrate in enclosing [wrapper] shortcodes, like this:
<blockquote>
[wrapper][shortcode_example][/wrapper]
</blockquote>

SR-Wrapper

This plugin allows page authors to easily demonstrate shortcodes in their posts and pages by wrapping them inside a shortcode that does---well, nothin …

Mikkel Rommelhoff

An add-on for <a href="http://www.gravityforms.com" rel="nofollow ugc">Gravity Forms</a> which allows you to wrap form items in a div with a custom class for styling purposes. Supports conditional statements.
Features of this plugin:
<ul>
<li>Add a wrapper (div) for the form items.</li>
<li>Includes option to add a custom class for styling.</li>
<li>Supports conditional statements.</li>
<li>Autocomplete of wrapper to properly close all HTML tags.</li>
<li>Auto-delete of wrapper to properly close all HTML tags.</li>
</ul>
Available Languages:
<ul>
<li>English</li>
<li>Danish</li>
</ul>

Wrap form fields in Gravity Forms

Nice plugin, too bad its stolen from another plugin.

nicely stolen

Extends the Gravity Forms plugin - Adding a new field type to wrap field items in a div with custom classes.

SR-Wrapper vs Wrap form fields in Gravity Forms