This Portlet Container open source project milestone 1 beta is now available as the part of Java Application Platform SDK Update 2 release. You can download the same from here.  Here are some of the links to the documentation.

Java EE SDK download

The Netbeans Portlet Plugin is also available which works with NetBeans IDE 5.5 or above, current release of NetBeans Portlet Plugin helps developers to develop, deploy and test portlets on the Portlet Container 1.0,  You can download the same from here .  Here are some links to the plugins documentation

For more details refer to Deepak's and Satya's blogs.

Jul 2006

12

Today I added to my blog a start of the description of Atomized Services - and why the opensource community for portlets can become a great asset to enterprises, governments, and individuals. 

See link.