Version: v1.6.0, last updated: April 12, 2019.
This is 100% original product under GPL license! Exact same files being distributed by Themeforest. You can use it on any sites you own.
YITH WooCommerce Waiting List Premium is a WooCommerce Extensions developed by YITHEMES. YITH WooCommerce Waiting List Premium allows you not to add waiting list system in your woocommerce store and is the simplest way to loyalize them without letting them get away. This premium extensions also have so many features like :
CUSTOMISE SUBSCRIPTION MESSAGE
This feature allows you to displayed custom message yo your customers to inform about a successful or unsuccessful subscription
SEND AN AUTOMATIC EMAIL
This feature allows you to inform customers as soon as the product is back in stock
LISTS OF USERS
This feature allows you to contact your customers again whenever you want
This feature allows you to customise style of subscription button
And many more features. Check official website for more info.