Apache is a free and open-source cross-platform web server software.
cdnjs is a free distributed JS library delivery service.
GSAP is an animation library that allows you to create animations with JavaScript.
Hello Bar is a customizable notification bar that draws visitors to an important call to action on the website.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Vue.js is an open-source model–view–viewmodel JavaScript framework for building user interfaces and single-page applications.
YouTube is a video sharing service where users can create their own profile, upload videos, watch, like and comment on other videos.