Chee Studio

Simple Pie Chart Block allows you to create elegant and minimal pie charts using the ChartJS library. You can upload data directly to the block instance without having to format your data into a CSV file upload. You can customize each slice’s percentage, color and associated data + labels. You also toggle between pie and doughnut chart types.
Features:
<ul>
<li>Create and customize pie charts directly within the WordPress block editor.</li>
<li>Add, update, and remove slices with specific titles, values, percentages, and colors.</li>
<li>Toggle the display of legends and customize their styles and background colors.</li>
<li>Choose between Pie and Doughnut chart types.</li>
</ul>
<h3>Usage</h3>
<ol>
<li>In the WordPress block editor, add the “Simple Pie Chart” block to your post or page.</li>
<li>Use the block settings to customize your pie chart:
<ul>
<li>Add slices with titles, values, percentages, and colors.</li>
<li>Toggle the legend display and customize its style and background color.</li>
<li>Choose between Pie and Doughnut chart types.</li>
<li>Adjust the chart width.</li>
</ul>
</li>
</ol>
<h3>Github</h3>
https://github.com/cheestudio/simple-pie-chart-block

Simple Pie Chart Block for WP

Simple Pie Chart Block allows you to create elegant and minimal pie charts using the ChartJS library.

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
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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.

Simple Pie Chart Block for WP vs CPM All in one Poll