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

Analytics
Clarity is a free user behavior analytics tool that helps you understand how users are interacting with your website through session replays and heatmaps

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

Security
reCAPTCHA is a security service that protects your websites from fraud and abuse

CMS
WHMCS is the leading web hosting management and billing software that automates all aspects of your business from billing provisioning domain reselling support and more WHMCS easily integrates with all the leading control panels payment processors domain registrars and cloud service providers

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