Open Collab Draw is HTML5 collaborative drawing application built with socket.io,express and kinetic.js on node.js
install node.js
npm install socket.io express
node server.js
if you want to test opencollabdraw in local network or host it just change 'localhost' "var ocd = new OpenCollabDraw( 'board', 1300, 500, 'http://localhost' );" to other address in client.html