cdnjs is a free distributed JS library delivery service.
jQuery is a JavaScript library which is a free, open-source software designed to simplify HTML DOM tree traversal and manipulation, as well as event handling, CSS animation, and Ajax.
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.
Kong is an open-source API gateway and platform that acts as middleware between compute clients and the API-centric applications.
OpenResty is a web platform based on nginx which can run Lua scripts using its LuaJIT engine.
Vite is a rapid development tool for modern web projects.