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.
Limit Login Attempts Reloaded stops brute-force attacks and optimizes your site performance by limiting the number of login attempts that are possible through the normal login as well as XMLRPC, Woocommerce and custom login pages.
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
WordPress is a free and open-source content management system written in PHP and paired with a MySQL or MariaDB database. Features include a plugin architecture and a template system.