Latest Technologies

EIP : Enterprise Integration pattern
ESB : Mule, ServiceMix , Camel , ActiveMQ(JMS tool)

 Mule, ServiceMix , Camel

http://www.liferay.com/community/wiki/-/wiki/Main/Liferay+ESB+Support+-+ServiceMix+and+Mule
http://www.scribd.com/doc/16762906/Liferay-Portal-With-Mule-ESB

Spring Roo
Appfuse

Above are the development stratergies