sockjs
SockJS-node is a server counterpart of SockJS-client a JavaScript library that provides a WebSocket-like object in the browser. SockJS gives you a coherent, cross-browser, Javascript API which creates a low latency, full duplex, cross-domain communication
graphql-ws
Coherent, zero-dependency, lazy, simple, GraphQL over WebSocket Protocol compliant server and client
sockjs-client
SockJS-client is a browser JavaScript library that provides a WebSocket-like object.
js-message
normalized JS Object and JSON message and event protocol for ES6+ node.js, browsers, electron, vanialla js, react.js, components, actions, stores and dispatchers
websocket
Websocket Client & Server Library implementing the WebSocket protocol as specified in RFC 6455.