Stack:

CMS:WordPress.

Widgets:OWL Carousel.

Ecommerce:WooCommerce.

Blogs:WordPress.

Font scripts:Google Font API.

Web servers:LiteSpeed.

Caching:WP Rocket.

Programming languages:PHP.

Databases:MySQL.

Maps:Google Maps

JavaScript libraries:Underscore.js,Slick,Lightbox,jQuery Migrate,jQuery

UI frameworks:Bootstrap

WordPress plugins:WooCommerce,WP Rocket