Bookly Multisite Addon GPL Overview:

This add-on enables Bookly to become a Multisite-ready plugin. After installation and activation of this add-on, you can use Bookly in your Multisite environment.

Please note: As it was clarified here by Envato staff you need to buy an additional Regular License for the Bookly plugin and every installed add-on for each additional domain name that you use.

Important: This plugin is an add-on that requires the Bookly PRO installed and activated.