Gunar

Enhance your comparable data display with animated graphic pie chart. Styled data table included, with a lot of further styling options.
Insert anywhere in the post or page via shortcode.
How it looks like? Check here: <a href="http://www.gootools.net/test-preview-animated-pie-chart-plugin/" rel="nofollow ugc">Test Preview: Animated Pie Chart – How to use and examples</a>
Adventages
<ul>
<li>easy to use – supply shortcode with minimum two data pairs and you are ready to go </li>
<li>responsive design – graph will fit any screen size automatically</li>
<li>mobile friendly – it will look nice on mobile devices</li>
<li>customizable – lots of options to make your graph outlook unique</li>
<li>theme friendly – tested on various WordPress themes (but we strongly recommend you to test plugin in your own theme)</li>
</ul>
Complete list of shortcode options at official plugin page: <a href="http://www.gootools.net/wordpress-plugins/goo-pie-chart/" rel="nofollow ugc">Goo Pie Chart</a>

Goo Pie Chart

Animated pie chart for comparable data graphical representation

Code Themes

vishalbasnet23

Utsav Singh Rathour

CPM All in One Poll lets you create polls in 7 different chart types, is fully translatable. It supports Widgets and Shortcode. Supports multiple polls in a single page and you can also simply show the results of the poll.
** Free
<ol>
<li>Progress Bar</li>
<li>Pie</li>
</ol>
Single poll in a page. 
Shortcode and Widgets
** Premium
<ol>
<li>Bar</li>
<li>Pie</li>
<li>Polar</li>
<li>Doughnut</li>
<li>Progress Bar</li>
<li>Line</li>
<li>Radar</li>
</ol>
Supports multiple polls in a page. 
WPML ready 
Shortcode and Widgets
Premium version comes with a year worth of premium Support. <a href='http://codepixelz.market/product/cpm-all-in-one-responsive-poll/' rel="nofollow ugc">Buy Premium for just $19</a>
Avail 20% off on Premium Poll Plugin. Use Promo Code “20POLL” on checkout.

CPM All in one Poll

CPM All in One Poll is an awesome plugin that lets you create Polls with 7 different chart types, and is fully translatable.

Goo Pie Chart vs CPM All in one Poll