Chart.js
Simple HTML5 Charts using the <canvas> tag
Annyang
A javascript library for adding voice commands to your site, using speech recognition.
J Schema
A simple, easy to use data modeling framework for JavaScript
Flexie
Legacy support for the CSS3 Flexible Box Model
Wow
Reveal CSS animation as you scroll down a page
Webuploader
It's a new file uploader solution!
Aurelia Framework
The aurelia framework brings together all the required core aurelia libraries into a ready-to-go application-building platform.
jQuery File Upload
File Upload widget with multiple file selection, drag&drop support, progress bars and preview images for jQuery. Supports cross-domain, chunked and resumable file uploads and client-side image resizing. Works with any server-side platform (PHP, Python, Ruby on Rails, Java, Node.js, Go etc.) that supports standard HTML form file uploads.
Swipe
a lightweight mobile slider
jQuery Focuspoint
jQuery plugin for 'responsive cropping'. Dynamically crop images to fill available space without cutting out the image's subject. Great for full-screen images.
Speakingurl
Generate of so called "static" or "nice-looking" or "slug" or "SpeakingURL" from a string.
Mousetrap
Simple library for handling keyboard shortcuts in Javascript
Material2
Material Design components for Angular
Layr
Dramatically simplify full‑stack development
Instafeed.js
A simple Instagram javascript plugin
History.js
History.js gracefully supports the HTML5 History/State APIs (pushState, replaceState, onPopState) in all browsers. Including continued support for data, titles, replaceState. Supports jQuery, MooTools and Prototype. For HTML5 browsers this means that you can modify the URL directly, without needing to use hashes anymore. For HTML4 browsers it will revert back to using the old onhashchange functionality.
Flux
Application Architecture for Building User Interfaces