The Light Switch plugin add a light switch to any contents you want. Turning off the light will give a better look and visibility to your contents like videos and images, and will permit also a better reading of your textual posts.
This is a simple yet very useful plugin for those who are managing websites with complex menus.
Visual Shortcodes is a WordPress plugin that helps you manage all your shortcodes. It gives you easy access to the shortcodes that you use the most frequently, or you can see a list of all shortcodes available in your theme, including the shortcodes from third-party plugins.