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

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

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

Widgets
VAT rules and rates charging deducting exemptions and refunding VAT special schemes for small businesses Check VAT numbers within the EU VIES Mini One Stop Shop MOSS Scheme cross border VAT rules Obligatory information for VAT invoices