Magento 2 Out of Stock Notification Extension by ITORIS INC.

Features:

• Automated email alerts when the product is back in stock;
• Subscription is available for Customers and Guests;
• Manage customers’ subscriptions in backend;
• Customer can manage subscriptions on Dashboard;
• Unsubscribe link in email;
• Track subscriptions;
• Customize the email template;
• Choose the email alert sender.

Some of your products are out of stock and you want to remind customers about updating stock items? Or a visitor wants to get a product that currently is out of stock? What can be done to stimulate users to wait for out of stock products and not to lose your potential customers?The Out of Stock Notification extension for Magento 2 allows to track the most required products getting the “Out of Stock” status. Let your customers subscribe to out of stock products and manage the subscriptions on frontend.
Notify about Back in Stock Products

Give customers ability to get email notifications if their required products are out of stock. The extension sends the automated email alerts if guests or registered customers have the out of stock subscription and those products are back in stock. The email subscription box is shown on all product pages allowing users to enter emails in an easy way.