Notify Buyers by Email Using the Magento 2 Stock Notification

Magento 2 Stock Notifications extension authorizes users to subscribe to alerts once Out of Stock products are back in stock. When a product is out of stock, the customer can see the stock alert subscription box on the product view/catalog page. Magento 2 Stock Notification extension helps customers to receive email alerts on product availability and subscribe to out-of-stock products by simply entering their email.