Least.js is a randomly arranged responsive gallery with lazy resource loading.

This gallery is useful if you want to create an image gallery which loads the images within the page. It’s well made and elegant, but some more customization options could be there. Least.js uses jQuery for operation.

Gallery CSS is a CSS-powered image gallery that doesn’t use any scripts.

Gallery is available in both prefixed and unprefixed versions. Gallery uses a ton of modern features that allow it to run on pure CSS.

While this image gallery is free, the developer is selling an optional screen cast for $12, which is pretty much mandatory given the slim documentation.

Flexisel is a jQuery plugin for creating a flexible & responsive carousel.

Flexisel emphasizes support for mobile devices. It has a responsive design and can be customized quite easily.

While Flexisel can be customized with ease, you can also customize it to work with custom breakpoints so you have more control over how it behaves on different screen sizes.

BookBlock is a jQuery plugin for creating booklet-like navigation.

BookBlock supports any content — images, text or whatever else you may want to put there.

The plugin uses some overlays, such as shadows, to create a more realistic ‘page flip’ effect. It’s very attractive-looking and would likely work for a number of application sorts.

Swipebox is a neat and touchable jQuery lightbox for mobile, tablet and desktop browsers.

Swipebox supports swipe gestures, has keyboard navigation for desktops, and is easily customizable.

It features cross-browser support all the way down to IE8. The plugin is quite minuscule, weighing around 11kb together with the CSS file.

Unslider is a minuscule slider for jQuery. It weighs less than 3kb and is incredibly flexible.

It has cross-browser support, can be controlled by a keyboard, and has a responsive design.

Unslider is very easy to implement and looks like it has a very modular architecture, which means that it’s easy to customize.