Persist State
jQuery Ui widget that will transparently save the state of checkboxes, inputs, selects, etc in localStorage, restoring these on the user's next visit to the page.
JS Movieclip
A javascript little framework to animate spritesheet as AS3 movieclip
ifvisible.js
Checks if the current page is visible or not
Theory
Abstraction layer for cross platform JavaScript.
Svgeezy
Allows for automatic Image fallbacks for browsers that can't handle SVGs
Straw
Realtime processing framework for Node.js
Objgrep
Find strings inside complicated javascript objects
Midi Writer Js
♬ JavaScript library providing an API for programmatically generating expressive multi-track MIDI files in browser and Node.
Limejs
HTML5 game framework for web and iOS
jQuery.lazy
A lightweight, fast, feature-rich, powerful and highly configurable delayed content, image and background lazy loading plugin for jQuery & Zepto.
Gremlins.js
Monkey testing library for web apps and Node.js
Functional Js
A functional js library that facilitates currying and point-free / tacit programming
Nuxt.js
The Vue.js Developers Framework
Flickity
:leaves: Touch, responsive, flickable carousels
jQuery hotkeys
jquery.hotkeys plugin lets you easily add and remove handlers for keyboard events anywhere in your code supporting almost any key combination. It takes one line of code to bind/unbind a hot key combination
Zoomooz
An easy-to-use jQuery plugin for making zooming web pages.
Tweet
put twitter on your website with tweet, an unobtrusive javascript plugin for jquery