AnimatedScroll.js is a smooth, animated document scroll to a specific element, supporting native jQuery UI easings.
tween.js is a super simple, fast and easy to use tweening engine.
Nice tutorial about some inspiration for headers that animate when scrolling the page. This tutorial show you what kind of effects could be used to spice up your website’s starting element and give it some life.
Animelt is a jQuery plugin that allows you to run complex animations on your web page.
Jumble is a jQuery plugin that jumbles up the colours of your text - and can animate them. (which is mobile safe)
Single.JS is a jQuery plugin that make it easy to create single-page websites to portfolios, presentations and more.
Single.JS offers beautiful animations to transition sections and resizes automatically the images.
jquery.transformlist is a jQuery plugin to add support for styling and correctly animating CSS3 transforms that make use of multiple transform functions.
jquery.transformlist aims to assist you in creating a transform list of several transform functions that are composited for a specific task, and then provides you with means to use
jQuery.animate() between different sets of arguments for those transform functions.
jQuery Waiting is a jQuery plugin to generate spinners and loaders, without images, canvas, or other nonsense. jQuery Waiting uses standard, widely accepted css to style your waiting spinner, and a little jQuery to make it function
GFX is an 3D CSS3 animation library that extends jQuery with some useful functionality for programmatically creating CSS3 transitions.
CSS3 transitions are superior to manual ones (using setTimeout) since they're hardware accelerated, something particularly noticeable on mobile devices.
Lazy Line Painter is a jQuery plugin for preparing SVG path animations using jQuery. Lazy Line Painter works by converting every single line into an animation.
Textillate.js combines some awesome libraries to provide a ease-to-use plugin for applying CSS3 animations to any text.
jQuery.fluxoModal is a jQuery plug-in similar to lightbox. It can highlight any kind of html element inside an html modal window, blurring the background using html5 canvas, CSS3 animations and a crossbrowser fallback for IE.
jquery.transform.js adds 2D transform capabilities to jQuery css() and animate() functions.
BookBlock is a jQuery plugin that can be used for creating booklet-like components that allow a "page flip" navigation. Any content can be used, such as images or text. The plugin transforms the structure only when needed (i.e. when flipping a page) and uses some overlays as shadow for the pages to create more realism.