Apache is a free and open-source cross-platform web server software.
Friendly Captcha is a proof-of-work based solution in which the user’s device does all the work.
Open Graph is a protocol that is used to integrate any web page into the social graph.
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.
Swiper is a JavaScript library that creates modern touch sliders with hardware-accelerated transitions.
TYPO3 is a free and open-source Web content management system written in PHP.