With WooCommerce Custom Tab for Product Page plugin, admin can add a new custom field under product which will also show in front side as well.
This add-on base on WooCommerce, so Woocommerce is the parent plugin for this addon and without Woocommerce you cannot activate this plugin.
First, you need to download the WooCommerce plugin and activate it.
Custom Product Tabs for WooCommerce Plugin offers features to add a new custom tab under a particular product which will show in front side as well.
This plugin work like offering to allow to show Extra details of the particular product.