cdnjs is a free distributed JS library delivery service.
Flask is a Python micro web framework ideal for rapidly constructing web applications, offering minimalism, flexibility, and modularity.
jQuery is a JavaScript library which is a free, open-source software designed to simplify HTML DOM tree traversal and manipulation, as well as event handling, CSS animation, and Ajax.
Prism is an extensible syntax highlighter.
Python is an interpreted and general-purpose programming language.
Semantic UI is a front-end development framework, powered by LESS and jQuery.