JavaScript libraries
Touch enabled jQuery plugin that lets you create beautiful responsive carousel slider

JavaScript frameworks
Vue js The Progressive JavaScript Framework

Ecommerce
The World Wide Web Consortium W3C develops standards and guidelines to help everyone build a web based on the principles of accessibility internationalization privacy and security

JavaScript libraries
A robust Punycode converter that fully complies to RFC 3492 and RFC 5891 mathiasbynens punycode js

Widgets
Quill is a free open source WYSIWYG editor built for the modern web Completely customize it for any need with its modular architecture and expressive API