Fancybox - fancyapps.com - Fancy App Store
Lightbox 2 - Lightbox is a simple, unobtrusive script used to overlay images on the current page.
PhotoSwipe - JavaScript gallery, no dependencies.
Magnific Popup - The greater part of Lightbox modules will completely preload a picture before showing it.
ColorBox jQuery Plugin - ColorBox: light-weight, customizable lightbox plugin for jQuery 1.3 & 1.4
Shadowbox - Shadowbox.js is a plugin that has user-friendly functions and allows to view media files like images, gif, video on the current page in the full dimensions