Apache is a free and open-source cross-platform web server software.
cdnjs is a free distributed JS library delivery service.
Cookie Notice provides a simple, customizable website banner that can be used to help your website comply with certain cookie consent requirements under the EU GDPR cookie law and CCPA regulations and includes seamless integration with Cookie Compliance to help your site comply with the latest updates to existing consent laws.
MathJax is a cross-browser JavaScript library that displays mathematical notation in web browsers, using MathML, LaTeX and ASCIIMathML markup.
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.