Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
Pimcore is an open-source digital platform that aggregates, enriches, and manages enterprise data and provides up-to-date, consistent, and personalised experiences to customers.
Usercentrics is a SaaS enterprise solution for Consent Management (CMP) that helps enterprise customers to obtain, manage and document the user consent.
Varnish is a reverse caching proxy.
YouTube is a video sharing service where users can create their own profile, upload videos, watch, like and comment on other videos.