A very simple plug-in of auto-generating SKU for those who are too lazy to fill in the article (SKU) of the product when it is created.
Automatically generate WooCommerce product SKUs from the product / attribute slugs and/or IDs.
This plugin will remove SKU completely from the product details page.
Adds a button to the WC edit/new product page that enables generating a SKU (catalog number) in a pre-defined format and length.
Allows WooCommerce orders to be searched by product SKU - Stock Keeping Unit.