Live Demo WooCommerce Waitlist lets you track demand for out-of-stock items, ensuring your customers feel informed, and therefore more likely to buy. Sends email as soon as product arrives in stock. How to translate? Features And Options: Notifies customers when they can purchase an item that is out-of-stock through email. Track users list and quantity. Popup & inline design Enable/Disable guest users. Customizable form Works for all types of products.