Description: “Integrates FancyBox 3 into WordPress.” (FancyBox’s own site adds “JavaScript lightbox library for presenting various types of media.”)
Plugin creator’s site: https://wordpress.org/plugins/fancybox-for-wordpress/
Example: This gallery uses the default settings in FancyBox for WordPress to embed a collection of sample images. The post has been marked as “Format: Standard” and the “Add Media” button was used to create the picture collection.