Silent Diving Seagulls is a prototype of an XMPP interface for desktop notifications systems such as Growl, Snarl, libnotify, etc. You know, I am usually overly modest but this right here, this is really going to change the web. For more information, head over to http://blog.abi.sh/2009/silent-diving-seagulls/. Requires the xmpp4moz extension.