Messaging

[cross-lang object serialization library] The MessagePack Project

http://msgpack.sourceforge.net/ “MessagePack is a binary-based efficient object serialization library. It enables to exchange structured objects between many languages like JSON. But unlike JSON, it is very fast and small.” cpan Data::MessagePack

THIRD RAIL » Memcached based message queues

http://3.rdrail.net/blog/memcached-based-message-queues/ Blog pots shows and explains how to implement simple queue system on top of memcached

Message Queue Evaluation Notes - Second Life Wiki

http://wiki.secondlife.com/wiki/Message_Queue_Evaluation_Notes Second Life notes about Message Queue Systems

Open Source Queueing and Messaging Systems? (by Jeremy Zawodny)

http://jeremy.zawodny.com/blog/archives/010511.html notes on existing open source queue/messaging systems

Beanstalkd - Software - xph.us [distributed, in-memory workqueue service]

http://xph.us/software/beanstalkd/ seems to a rare thing: a message queue server, running as a native code