Tyler Steinhaus

A very lightweight plugin that adds a metabox onto the add/edit screen for any post type (besides attachment, revision, and nav_menu_item) that allows you to quickly switch between other posts in the post type without having to go back to view all posts.

Quick Post Change

This plugin gives you a dropdown to quickly change which post you are editing in the admin panel.

egotec

ViewMyBrowser is the leading browser sharing solution for WordPress. 
This plugin activates the awesome features of a remote support and co-browsing solution on your WordPress installation.
Features:
<ul>
<li>Your customers get instant online support without installing any software or browser plugins.</li>
<li>Support staff can view the browser content of their customers in real time.</li>
<li>Remote Control: Show editors how to use your wordpress installation.</li>
<li>Enable remote support for your frontend users. No more questioning which button to click. Support staff can show the way you do it right directly in an online meeting.</li>
</ul>

ViewMyBrowser

Enhance your WordPress with remote support. ViewMyBrowser is a screen sharing, browser sharing, remote access solution for web applications.

Quick Post Change vs ViewMyBrowser