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

Video players
HTML5 video and audio player with support for YouTube SoundCloud Facebook Vimeo HLS Dash and others

Authentication
Documentation for developers on how to log users into your app or website with Facebook Login

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

Live chat
Engage audiences accelerate sales and drive better customer support outcomes on the platform with more than 2 billion users around the world Learn more

Live chat
www tawk to is 100 Free Live Chat Software to monitor and chat with visitors on your website or from a free customizable page

JavaScript libraries
slick is a responsive carousel jQuery plugin that supports multiple breakpoints CSS3 transitions touch events swiping much more

CDN

Ecommerce
Schema org is a set of extensible schemas that enables webmasters to embed n structured data on their web pages for use by search engines and other applications

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