Easy FancyBox
Easily enable the FancyBox light box on just about all media links. Multi-Site compatible. Supports…
Commercial Plugins
These plugins are free, but also have paid versions available.
Lightbox & Modal Popup WordPress Plugin – FooBox
A responsive image lightbox for WordPress galleries, WordPress attachments & FooGallery
Surbma | Divi Lightbox
Adds Divi's native lightbox effect to images (jpeg, jpg, gif, png, webp).