Include Me helps to include any external file (textual, HTML or PHP) in posts or pages.
Include Me helps to include in posts or pages external files usually to be shared between different posts or pages or that contains PHP or other code that can be compromised by the visual editor.
The use is immediate: the shortcode [includeme] is all that you need (see the documentation on Include Me official page).
Inclusions can be rendered with IFRAME if needed to create boxes that display external web pages.
This plugin is made of few line of code, ultralite!
Other plugins by Stefano Lissa: