Simple to use, blazing fast and thoroughly tested websocket client and server for Node.js
SockJS-client is a browser JavaScript library that provides a WebSocket-like object.
Coherent, zero-dependency, lazy, simple, GraphQL over WebSocket Protocol compliant server and client
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
Websocket Client & Server Library implementing the WebSocket protocol as specified in RFC 6455.