Apache is a free and open-source cross-platform web server software.
cdnjs is a free distributed JS library delivery service.
Headroom.js is a JS widget that allows you to react to the user's scroll. The header slides out of view when scrolling down and slides back in when scrolling up.
PHP is a general-purpose scripting language used for web development.
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.
Unix is a family of multitasking, multiuser computer operating systems.