Apache is a free and open-source cross-platform web server software.
cdnjs is a free distributed JS library delivery service.
IP2Location.io is a web service that provides geolocation data based on IP addresses through its API, allowing developers to integrate accurate physical location information into their applications.
Open Graph is a protocol that is used to integrate any web page into the social graph.
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.