Remodal is a flat, responsive, lightweight, easy customizable modal window jQuery plugin with declarative state notation and hash tracking.
Image Lightbox is a ascetic, minimalistic, extensible & configurable, responsive and touch-friendly, iOS, Android and Windows Phone compatible lightbox plugin. Silently preloads next image, uses CSS transform and transition, interacts with keyboard.
Respify is a simple responsive images library, which parses a image from a set of child span nodes with data-media and data-src attributes. It uses media queries to select images.
Fit.js has a very simple purpose and that is to help you fit things into other things.
Responsive lazy loader allows you lo load the most appropriate image renditions according to the current breakpoint and to the current display into the CSS grid-system.
picturefill is a responsive images approach that you can use today that mimics the proposed picture element using
spans, for safety sake. Picturefill works best in browsers that support CSS3 media queries
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.
DaisyNav jQuery Plugin help you to build responsive navigation for your website.
A nice tutorial about Creating Responsive Photosets with jQuery and CSS like seen on Tumblr.
Bigfoot.js is a simple jQuery plugin that detects footnotes on the page and makes them better. It creates clickable buttons out of the original footnote link and creates a popover when the footnote button is clicked. Finally, the script make sure the popover is appropriately sied and positioned so that it looks great on any screen size.
Imager.js is an alternative solution to the issue of how to handle responsive image loading, created by developers at BBC News.
It's simple, which works and which is fast as well as network friendly (only download what you need, when you need it).
Tipue Search is a site search engine jQuery plugin. It's open source and responsive.
Tipue Search uses various modes for loading content. Static mode uses JSON, while Live mode grabs content from a list of pages. Tipue Image Search is a full image search plugin.
jQuery ReStable is a very simple and lightweight jQuery plugin that make tables responsive making them collapse into
Smoothslides is a responsive jQuery slideshow with Ken Burns style animations.
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).