RestockRadar – Stock & Waitlist Alerts
RestockRadar is a free WooCommerce plugin that notifies store administrators when products go out of stock and lets customers subscribe to back-in-stock alerts.
- Admin out-of-stock email notifications with full product details
- Customer back-in-stock subscription waitlist
- AJAX-powered subscription forms with rate limiting
- Fully customizable email text and subjects
- Smart duplicate-notification prevention
Available free on the WordPress Plugin Directory.