vinodvaswani

This plugin will give you ability to add related products of your choice in bulk. and you can also get the all related products of any product.
features include:
<ul>
<li>Add woocommerce related products in bulk. eg. select 5 related products form left side and select 2 products in right side, in results 5 selected related products will be 
related for each product in right side.</li>
<li>Select product category wise.</li>
<li>get all related products of any product.</li>
<li>Remove related product from any product.</li>
</ul>
NOTE: Woocommerce must be installed in you website.

WC Bulk Custom Add Related Products

This plugin will give you ability to add related products of your choice in bulk. and you can also get the all related products of any product.

benhall14

Show a group of products that were viewed by other customers that also viewed the current product, ie. Customers who viewed this also viewed that.

Customers who viewed this also viewed that – WooCommerce

Show a group of products that were viewed by other customers that also viewed the current product, ie. Customers who viewed this also viewed that.

WC Bulk Custom Add Related Products vs Customers who viewed this also viewed that – WooCommerce