Since I wrote this yesterday I’ve learned that the means for doing exists and is spelled XMPP. I first heard of Jabber years ago but didn’t start using it because none of my friends did so there wasn’t much point. Now it feels like I’ve missed out on something really cool and interesting 
Operation Catch-Up-On-XMPP starts now!
So far I’ve read skimmed the specs for the extensions Publish-Subscribe and Personal Eventing via Pubsub and they seem very promising to what I want to do.
If you search for an XMPP client supporting PubSub, get a look at at Gajim SVN Trunk.
Psi and Synapse (a fork of Psi) support most of PEP specs.
You might also be interested by the Idavoll HTTP-XMPP Pubsub gateway with Atom notifications over XMPP. And there are some PubSub services running @ xmpp://ik.nu.
Comment by kael — January 26, 2008 @ 5:46 pm
Thanks a lot! I will check it out.
Comment by Martin — January 26, 2008 @ 6:26 pm