jarednova

ClickToEdit will make your site ‘live’ to authors so they can edit titles and body copy. Additional functions mean you can make any piece of content: title, body or custom field, instantly editable. Great for tweaking copy or fixing errors on the fly.

Click to Edit

Requires at least:  3.0 Tested up to:       3.5 Once installed, titles and body copy can be easily tweaked by authors right on the live page instead  …

Scott Lee

For all those times when you need to quickly, nay, swiftly edit the post or page you’re viewing. Also helpful for sites that have the Admin bar hidden when signed in.
Features:
<ul>
<li>If you are already signed in, you’ll be taken to the edit screen of the post or page.</li>
<li>If you are not signed in, you’ll be taken to the login screen and then forwarded to the edit screen upon successful login.</li>
</ul>
Usage:
<ol>
<li>Install and activate the plugin as normal.</li>
<li>Append <code>?se</code> to any post or page URL to be taken the the edit screen.</li>
</ol>

WP Swift Edit

Swiftly navigate to the edit screen of any post, page, etc. by appending ?se to the URL.

Click to Edit vs WP Swift Edit