Apache is a free and open-source cross-platform web server software.
LottieFiles is an open-source animation file format that's tiny, high quality, interactive, and can be manipulated at runtime.
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.
Typekit is an online service which offers a subscription library of fonts.
Unpkg is a content delivery network for everything on npm.