Apache is a free and open-source cross-platform web server software.
Flickity is a JavaScript slider library, built by David DeSandro of Metafizzy fame.
Livewire is a full-stack Laravel framework for building dynamic interfaces.
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.
Unpkg is a content delivery network for everything on npm.
YouTube is a video sharing service where users can create their own profile, upload videos, watch, like and comment on other videos.