Apache is a free and open-source cross-platform web server software.
JSDelivr is a free public CDN for open-source projects. It can serve web files directly from the npm registry and GitHub repositories without any configuration.
Open Graph is a protocol that is used to integrate any web page into the social graph.
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.