JavaScript libraries
Polyfill io is a service which accepts a request for a set of browser features and returns only the polyfills that are needed by the requesting browser

Miscellaneous
Positioning tooltips and popovers is difficult Popper is here to help Popper is the de facto standard to position tooltips and popovers in modern web applications

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

JavaScript graphics
Beautiful math in all browsers

JavaScript libraries
jQuery The Write Less Do More JavaScript Library

UI frameworks
Powerful extensible and feature packed frontend toolkit Build and customize with Sass utilize prebuilt grid system and components and bring projects to life with powerful JavaScript plugins

CDN
The CDN for everything on npm

UI frameworks
Tailwind CSS is a utility first CSS framework for rapidly building modern websites without ever leaving your HTML

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
Light and open source responsive lightbox plugin with focus on performance for jQuery and Zepto js High DPI retina display support fast tap for touch devices

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

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