wait-on is a cross platform command line utility and Node.js API which will wait for files, ports, sockets, and http(s) resources to become available
Javascript mocking library for websockets and socket.io
Keeps track of a server's open sockets so they can be destroyed at a moment's notice.
normalized JS Object and JSON message and event protocol for ES6+ node.js, browsers, electron, vanialla js, react.js, components, actions, stores and dispatchers
Best-effort discovery of the machine's default gateway and local network IP exclusively with UDP sockets.