cdnjs is a free distributed JS library delivery service.
Glide.js is a dependency-free JavaScript ES6 slider and carousel.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Vimeo is a video hosting, sharing and services platform. Vimeo operation an ad-free basis by providing subscription plans.
WhatsApp Business is a free to download app available on Android and iPhone using which businesses can connect with their customers.