Apache is a free and open-source cross-platform web server software.
Bootstrap is a free and open-source CSS framework directed at responsive, mobile-first front-end web development. It contains CSS and JavaScript-based design templates for typography, forms, buttons, navigation, and other interface components.
Flying Pages is a performance optimisation plugin for WordPress websites designed to reduce page load times and improve the user experience.
Font Awesome is a font and icon toolkit based on CSS and Less.
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.