lostinbrittany/ace-widget

The Polymer library makes it easy to create your own web components. Give your element some markup and properties, and then use it on a site. Polymer provides features like dynamic templates and data binding to reduce the amount of boilerplate you need to write

Ace (Ajax.org Cloud9 Editor)

Turns a raw element definition into beautiful documentation

Utility classes to make building demo pages easier

An element that supports displaying an icon

A set of icons for use with iron-icon

Utility classes to help make testing easier

A simple element to fixture DOM for tests

Client-side dependencies for web-component-tester tests installed via npm.

Web Components Polyfills