| socketstream | A fast, modular Node.js web framework dedicated to building realtime single-page apps |
| socket.io-browser | Sockets for the rest of us |
| binaryjs | Node binary websocket streaming made easy |
| sockjs | WebSocket emulation - Node.js server |
| minotaur | Cross browser, long poll server implemented in node.js. |
| tunguska | A comet-based distributed publish/subscribe hub for server side JavaScript (Node, Rhino/Narwhal) |
| beseda | Beseda is fast, well designed and featured Node.js Pub/Sub server. Beseda offers multiple platform API to develop realtime web applications. |
| weasel | Mongoose add-on for multiple document saving |
| node-bus | A node event bus with wildcard matching |