Slick Menu is not just a WordPress menu plugin. It can be used to create unlimited layered menus or content sidebars with rich content, multiple styling options, and animation effects.
Demo: https://slickmenu.net
Slick Popup Pro is a popup plugin for WordPress that enables you to create a popup with any type of content in a WordPress website.
Demo: https://codecanyon.net/item/slick-popup-pro/16115931