 <p>Searching in <a href="http://projects.trapexit.org" rel="nofollow noreferrer">projects.trapexit.org</a> for "pubsub" this is what you get: <img src="http://img580.imageshack.us/img580/1835/screenshot20100523at124.png" alt="alt text">.</p> <p>Maybe one of these could help you.</p>