Tabulous.js
A jQuery tabs module for todays web!
Noisy
A jQuery plugin that adds random noise to the background of a given element.
JSON 3
A modern JSON implementation compatible with nearly all JavaScript platforms.
Gifplayer
Customizable jquery plugin to play and stop animated gifs. Similar to 9gag's. Support for video formats
Zebra Datepicker
A super-lightweight, highly configurable, cross-browser date picker jQuery plugin.
Tourist
Simple, flexible tours for your app
Snazzy Info Window
Customizable info windows using the Google Maps JavaScript API.
Pdfkit
A JavaScript PDF generation library for Node and the browser
Ori Domi
Fold up DOM elements like paper
Midi.js
Making life easy to create a MIDI-app on the web. Includes a library to program synesthesia into your app for memory recognition or for creating trippy effects. Convert soundfonts for Guitar, Bass, Drums, ect. into code that can be read by the browser. Supports multiple simultaneous instruments and perfect timing.
Kiwi.js
Kiwi.js is a blazingly fast mobile & desktop browser based HTML5 game framework. It uses CocoonJS for publishing to the AppStore.
Mjml
MJML: the only framework that makes responsive-email easy
Math Box.js
MathBox is a (work in progress) library for making presentation-quality math diagrams in WebGL.
Joyride
jQuery feature tour plugin.
jQuery.lazy
A lightweight, fast, feature-rich, powerful and highly configurable delayed content, image and background lazy loading plugin for jQuery & Zepto.
Vue Gallery
:camera: Responsive and customizable image and video gallery, carousel and lightbox, optimized for both mobile and desktop web browsers.
Vorlonjs
A new, open source, extensible, platform-agnostic tool for remotely debugging and testing your JavaScript. Powered by node.js and socket.io