Payment processors
Easily and securely shop from millions of brands across the world with confidence PayPal has got you covered

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

Authentication
Secure customer information using the same user authentication system used by Amazon com reducing registration friction

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

Payment processors
Authorize net supports payment processing by helping small businesses accept credit card and eCheck payments online in person via mobile devices and more

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