Sharabindu

This is a plugin for WooCommerce users, after activating the plugin you go to a single product page on your WooCommerce site. And click the Add to Cart button. See the cart will be completed through Ajax, your customer can cart the product without refreshing the page.

Cart in Ajax on single product page

This is a plugin for Cart via Ajax on a single product page

Gabteni

By using Woocommerce infobox rotator, it allows you to add simple info box in wooocommerce Single product page under add to cart , no need to edit theme and woocommerce plugin!
List of Position where you can add your InfoBox
<ol>
<li>woocommerce after add to cart form</li>
</ol>
more comming in next release
Plugin Features
*Quick to set up 
*Add info box text ( up to three text) 
*Add icon to each text 
*change text color and size 
*change icon size 
*change info box text and icon direction 
*change animations (only two animation for now , more to come) 
*FontAwesom 5.13.0
Have a look at the <a href="https://thewpfox.com/product/infobox-demo/" rel="nofollow ugc">plugin’s website</a>.
<h4>Got a bug or suggestion?</h4>
<ul>
<li><a href="https://thewpfox.com/contact-us/" rel="nofollow ugc">Contact author</a> (please DO NOT use this form for support requests)</li>
</ul>

Wpfox Infobox rotator

By using Wpfox infobox rotator, it allows you to add simple info box in wooocommerce Single product page under add to cart , no need to edit theme and …

Cart in Ajax on single product page vs Wpfox Infobox rotator