cdnjs is a free distributed JS library delivery service.
Envoy is an open-source edge and service proxy, designed for cloud-native applications.
JSDelivr is a free public CDN for open-source projects. It can serve web files directly from the npm registry and GitHub repositories without any configuration.
Swiper is a JavaScript library that creates modern touch sliders with hardware-accelerated transitions.
Three.js is a cross-browser JavaScript library and application programming interface used to create and display animated 3D computer graphics in a web browser using WebGL.