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.
LogRocket is a logging and session replay platform that helps developers identify and troubleshoot issues in web applications by recording and replaying user sessions, along with capturing logs and user interactions in real-time.
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
Typekit is an online service which offers a subscription library of fonts.