Eric-Oliver Mächler

With this Plugin you can show all your wanted Products in the Sidebar with a Widget.
Manual:
Multi-Products 
To define the right Product use the Product-Tag like [woo_products_by_tags tags=”shirt,food”]
Single-Product 
To define the right Product use the Product-Tag like [woo_products_by_tags tags=”food”]
When User click to the product in the Sidebar, they will forward to the product site.

Product Tagger

With this Plugin you can show all your wanted Products in the Sidebar with a Widget. To define the right Product use the Product-Tag like [woo_product …

sharkthemes

TopBar Call To Action provides you option to add clean and elegant topbar notification or call to action section in your website. This plugin adds beauty to your website as well as it plays a very important role to upsell your products or services to a huge extent. This plugin uses customizer api to edit or customize. It is very easy to use and easy to setup.
<h4>Customization and Flexibility</h4>
TopBar Call To Action offers you a very easy customization from customizer.
<h3>Copyright</h3>
TopBar Call To Action WordPress Plugin, Copyright 2019, Shark Themes 
Link: https://www.sharkthemes.com/downloads/topbar-call-to-action
jquery.cookie – 1.4.1 
Source: https://github.com/carhartl/jquery-cookie 
License: The MIT License (MIT) Copyright 2014 Klaus Hartl 
license Url : https://github.com/carhartl/jquery-cookie/blob/master/MIT-LICENSE.txt

TopBar Call To Action

Allow user to add upsales or any call to actions with TopBar Call To Action.

Product Tagger vs TopBar Call To Action