node-vmix
Node.js vMix utility to easily send and receive messages to a vMix instance
portluck
A unified HTTP/TCPSocket/WebSocket server for receiving arbitrary data
jsockbridge
JSockBridge : Web Socket <--:bridge:--> TCP Socket
node-nymph
Nymph provides a data transferring method between TCPSocket and WebSocket, which could connect your different devices like Arduino, cellphone or laptop.