jQuery.TosRUs plugin is a great lightbox alternative for scrolling/swiping through any kind of content. On a desktop, tablet or smartphone, inside a HTML element or as a lightbox popup. It's responsive by default.
simpleGal is a simple jQuery image gallery plugin. It's easy to use and thumbnails can be vertical / horizontal.
Fluidbox is a jQuery plugin that replicate the distraction-free, fluid lightbox seen on Medium, and to improve on it such that it will allow linking to a larger-resolution image.
It works on mobile and also plugin deals with higher resolution, linked images elegantly, such that it only preloads them when users click on the thumbnails.
Flipping Gallery let you create a simple but beautiful 3D flipping gallery using minimal HTML markups and one JS call.
VenoBox is a just another responsive jQuery lightbox plugin, suitable for images, inline contents, iFrames, Google-Maps, Ajax requests, Vimeo and YouTube videos.
The big difference compared to many others modal-window plugins is that VenoBox calculates the max width of the image displayed and preserves its height if is taller than the window (so in small devices you can scroll down the content, avoiding vertical microscopic resized images).
Smoothproducts is a simple, lightweight and responsive product image viewer using jQuery.
nanoGALLERY is a touch enabled and responsive image gallery with justified, cascading and grid layout. It supports self hosted images and pulling in Flickr, Picasa, Google+ and SmugMug photo albums.
Smoothbox is a simple, lightweight, and responsive jQuery lightbox plugin.
Slippry is responsive slider plugin for jQuery.
Slippry is written to work on the latest jQuery functions, CSS3 tricks and HTML5 elements. Slippry offers a heap of settings you actually need, and with the included CSS and Sass you can make Slippry look just how you need it.
Featherlight is a very lightweight jQuery lightbox. It is responsive, supports images, ajax and iframes out of the box and range of configuration options, you can adapt it to your needs.
Balanced Gallery is a jQuery plugin that evenly distributes photos across rows or columns, making the most of the space provided. Photos are scaled based on the size of the 'container' element by default, making Balanced Gallery a good choice for responsive websites.