Luis Rock

Based on jQuery Paper Collapse Plugin, by Alexander Rühle, this WordPress plugin allows you to create toggles in format of collapsible paper cards, inspired by Google Material Design.
You can even use FA icons on your toggles.
Install and basic usage video: 
https://www.youtube.com/watch?v=6h_TpRY_JCc
Titles, icons and content: 
https://www.youtube.com/watch?v=aAk9ER-Wc28
Shortcode attributes: title, icon, color

Master Paper Collapse Toggle

Allows you to create toggles in format of collapsible paper cards, inspired by Google Material Design.

Nazmul Hossain Nihal

Using this widget users can add beautiful notes to the widget aria of their WordPress site.Different styles of background,attacher and fonts are available.User pick color by colorpicker and define the margin of the widget.
Using this you can add favicons to :
<ul>
<li>Add Text Widget</li>
</ul>

Sticky Notes Widget

A plugin for adding sticky notes on the widget area!

Master Paper Collapse Toggle vs Sticky Notes Widget