WooCommerce Availability Notifications enables your WooCommerce-powered website to have customize stock availability notification for in stock, low stock, out of stock, and back order. This will help your customers with an intuitive information for each product's stock availability.
October 7, 2015
Version 1.1.0 is now released and waiting for a review from CodeCanyon staff for a green light. I’ve enhanced default notification message for variable product to have a default product level notification message.