Apache is a free and open-source cross-platform web server software.
D3 based reusable chart library
Gatsby is a React-based open-source framework with performance, scalability and security built-in.
jQuery CDN is a way to include jQuery in your website without actually downloading and keeping it your website's folder.
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.
React is an open-source JavaScript library for building user interfaces or UI components.
Unix is a family of multitasking, multiuser computer operating systems.