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.
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
RxJS is a reactive library used to implement reactive programming to deal with async implementation, callbacks, and event-based programs.
Swiper is a JavaScript library that creates modern touch sliders with hardware-accelerated transitions.