To obtain a multi-site license you must negotiate a special offer with pvernaglia, the developer of Webli Image PopUp.
Click below to send a private message and begin the process. You may need to sign in to community.concretecms.com before you can message this user.Send Message
Works perfectly, even under 8.5.2. The support is super fast. I highly recommend the extension and the developer !!!
Version 8.0 Ready!
A sleek, modern, responsive solution for Image PopUps on your Concrete5 5.7x website. With Image Popup you can select an image from your C5 File Manger to PopUp as a full screen overlay.
Popups can be activated by Thumbnail Image, Text Link, On Page Load or from a CSS Selector anywhere on a page. File Sets of images can be selected to display as a gallery.
Demo and Documentation at: http://webli.us/add-ons/pop-utilities/image-popup
See all our PopUp utilities at http://webli.us/add-ons/pop-utilities
Visit Webli's Concrete5 CheatSheet