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.

MyWebsiteAdvisor

ChrisHurst

Plugin for WordPress Developers to enhance Theme and Plugin Editors on their WordPress site. 
Uses the Codemirror library to make the default theme and plugin editors for wordpress more powerful.
Developer Website: http://MyWebsiteAdvisor.com
Plugin Page: http://mywebsiteadvisor.com/tools/wordpress-plugins/developer-code-editor/
Requirements:
Plugin is for WordPress Developers!
To-do:

Developer Code Editor

Plugin for WordPress Developers to enhance Theme and Plugin Editors on their WordPress site.

WP Swift Edit vs Developer Code Editor