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

JavaScript libraries
jQuery The Write Less Do More JavaScript Library

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

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
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Live chatWidgets
Free chatbots and live chat for your website Drag and drop chatbot builder no coding skills required