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.
Popper is a positioning engine, its purpose is to calculate the position of an element to make it possible to position it near a given reference element.
Bootstrap is a free and open-source CSS framework directed at responsive, mobile-first front-end web development. It contains CSS and JavaScript-based design templates for typography, forms, buttons, navigation, and other interface components.
Moment Timezone is a library built upon Moment.js, extending its capabilities to handle time zones in JavaScript. It allows developers to parse, manipulate, and display dates and times in various time zones, providing comprehensive support for time zone conversions and adjustments in web applications.