tgrk

By placing  in your page or post by sources code or using toolbar icon ‘Plugin List’ in 
your Rich text editor(only if enabled) plugin replaces it with list of currently installed WordPress plugins. 
You can use various configuration options for tweaking plugin list.

Plugin List

Lists current WordPress plugins used inside of page/post content.

Pat Hawks

dirtysuds

Will embed a PDF file using Google Docs Viewer 
Simply include the URL for a PDF document on it’s own line, or wrapped in the embed tag like <code>[embed]http://example.com/file.pdf[/embed]</code> and the plugin will embed the PDF into the page using the Google Docs Viewer embed code. 
The url must end with <code>.pdf</code>
Supported attributes in the embed tag are <code>class</code> <code>id</code> <code>title</code> <code>height</code> and <code>width</code>

Embed PDF

Adds pseudo oembed support for PDF documents

Plugin List vs Embed PDF