Apache is a free and open-source cross-platform web server software.
cdnjs is a free distributed JS library delivery service.
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.
Progressive Web Apps (PWAs) are web apps built and enhanced with modern APIs to deliver enhanced capabilities, reliability, and installability while reaching anyone, anywhere, on any device, all with a single codebase.
Twitter is a 'microblogging' system that allows you to send and receive short posts called tweets.