Modules & extensions

• session.socket.io (SessionSockets) — Connect middleware sessions in socket.io
• session-web-sockets — Pass session to (Socket.IO-node) in a secure manner.
• socket-logger — JSON-parsable logs for Socket.IO that can push log messages to a client over Socket.IO.
• websocket.MQ — Reliable message queue server accessible via websockets, socket.IO, etc
• socket.io-mongo — MongoDB store for socket.io, using capped collection and tailable cursors.
• passport.socketio — Access Passport.js user information from socket.io connection.

Node to Node socket.io

• socket.io-client — The new implementation of nodejs socket.io client.
• node-rpc-socket.io — socket.io addon, add a full client/server implementation of JSON-RPC, warning: works only with socket.io v0.6 (not maintained anymore)
• node-socket.io-client — Node.js implementation of the Socket.IO client libraries
• node2node-socket.io — A node2node transport and client for socket.io
• socket.io-proxy — A socket.io client for node.js that can connect through a proxy server