WoPo Web

You can add buttons block to your post or page.
<a href="https://www.flaticon.com/free-icons/ux" title="ux icons" rel="nofollow ugc">Ux icons created by Freepik – Flaticon</a>

WoPo UI Elements

You can add buttons block to your post or page

Windows 95, 98, and XP were the golden years of paint. You had a tool box and a color box, a foreground color and a background color, and that was all you needed.
You can add shortcode [wopo-paint] to page you want to show editor 
You can edit your images on your Media Library Attachment details
Demo online: <a href="https://paint.wopo.cc/" title="WoPo Paint Demo Online" rel="nofollow ugc">https://paint.wopo.cc/</a>
<h3><a href="https://web.wopo.cc/product/wopo-paint/" title="WoPo Paint Pro" rel="nofollow ugc">WoPo Paint Pro</a></h3>
<ol>
<li>Post drawing image as comment</li>
<li>Open Painter with feature image or post images</li>
</ol>
Video tutorial: <a href="https://www.youtube.com/watch?v=mI9hZZRL-Po&list=PLkY7T3Q1c1U_x6_5mNkHGSrPRkfeMeD4L" title="Youtube video tutorial" rel="nofollow ugc">https://www.youtube.com/watch?v=mI9hZZRL-Po&list=PLkY7T3Q1c1U_x6_5mNkHGSrPRkfeMeD4L</a>

WoPo Paint

A nice web-based MS Paint remake and more...

WoPo UI Elements vs WoPo Paint