Apache is a free and open-source cross-platform web server software.
Azure Edge Network is a global network infrastructure provided by Microsoft Azure. It is designed to deliver content, applications, and services to end-users with low latency and high performance. The Azure Edge Network consists of a combination of Azure Content Delivery Network (CDN), Azure Front Door, and Azure Traffic Manager.
TYPO3 is a free and open-source Web content management system written in PHP.
YouTube is a video sharing service where users can create their own profile, upload videos, watch, like and comment on other videos.