Apache is a free and open-source cross-platform web server software.
Google AdSense is a program run by Google through which website publishers serve advertisements that are targeted to the site content and audience.
Google Maps is a web mapping service. It offers satellite imagery, aerial photography, street maps, 360° interactive panoramic views of streets, real-time traffic conditions, and route planning for traveling by foot, car, bicycle and air, or public transportation.
iubenda is a compliance software used by businesses for their websites and apps.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Varnish is a reverse caching proxy.