Apache is a free and open-source cross-platform web server software.
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.
Paper.js is an open-source, vector graphics scripting framework, which offers a powerful Scene Graph and extensive functionality to create and manipulate graphic items using layers, gradients, blending, and other advanced features