Node-websock-mlgo is a project mainly written in JavaScript, it's free.
Node.js based websocket server. Built for use in HTML5 based online multiplayer.
This server is being slowly developed to provide an online multiplayer game built in HTML5.
This server requires Node.js for server-side execution. The node module node-websocket-server is required to provide the websocket protocol itself.
node node-websock-mlgo/server.js