Messenger
Growl-style alerts and messages for your app. #hubspot-open-source
Joint
JavaScript diagramming library
Impress.js
It's a presentation framework based on the power of CSS3 transforms and transitions in modern browsers and inspired by the idea behind prezi.com.
Idle.js
Javascript activity library for the browser. (away, idle, etc)
Highlight.js
Javascript syntax highlighter
Balloon.css
Simple tooltips made of pure CSS
Backbone Layout Manager
A layout and template manager for Backbone.js applications.
Pdf.js
PDF Reader in JavaScript
Owl Carousel
Owl Carousel. Touch enabled jQuery plugin that lets you create beautiful responsive carousel slider.
Intern
A next-generation code testing stack for JavaScript.
FullCalendar
Full-sized drag & drop event calendar (jQuery plugin)
Frontity
ยป Frontity - The React Framework for WordPress
Fit Vids.js
A lightweight, easy-to-use jQuery plugin for fluid width video embeds.
Vide
Easy as hell jQuery plugin for video backgrounds.
Trmix
apply CSS based on your browser's text rendering engine
Resize Observer
Polyfills the ResizeObserver API.
Progressbar.js
Beautiful and responsive progress bars