Yarn
Fast, reliable, and secure dependency management.
Polymer
Leverage the future of the web platform today.
Colorpicker
jQuery UI widget for color picking (similar to the one in Microsoft Office 2010).
Autosize
jQuery plugin for dynamic textarea sizing
Moment
Parse, validate, manipulate, and display dates in javascript.
Stampit
Create objects from reusable, composable behaviors.
Qooxdoo
A Universal JavaScript Framework
Machina.js
js ex machina - finite state machines in JavaScript
Lightgallery.js
Full featured javascript lightbox gallery. No dependencies.
Jquery Timeago
Timeago is a jQuery plugin that makes it easy to support automatically updating fuzzy timestamps (e.g. "4 minutes ago").
Javascript State Machine
A finite state machine javascript micro framework
Bonsai
BonsaiJS is a graphics library and renderer
Aja.js
Ajax without XML : Asynchronous JavaScript and JavaScript/JSON(P)
Angular Debaser
Just a better way to test AngularJS apps.
Cortex
A javascript library for centrally managing data with React
Snap.svg
The JavaScript library for modern SVG graphics.
Local Forage
Offline storage, improved. Wraps IndexedDB, WebSQL, or localStorage using a simple but powerful API.