2016
2014
2013
2012

Faye: Simple pub/sub messaging for the web

2010
2009

Message Queue Evaluation Notes - Second Life Wiki
One of the infrastructure tools that we've identified for the future internal architecture of Second Life is messaging. Message queuing systems allow systems that send messages to not have to worry about how they will be delivered, and allow consumers of messages to gather whichever ones interest them, at their own pace.
And the winner is…
2008

qqtool.pl - A tool for viewing and purging messages from a qmail queue - search.cpan.org
