Rapidlogix is an open source application performance management tool optimized for distributed production environments. It allows to increase time-to-market of performance improvements and prevent performance regression
Glassbox is an automated troubleshooting and monitoring agent for Java apps that diagnoses common problems with one-click. Drop in a .war file from http://www.glassbox.com and find out what's wrong with your existing web apps, without any code chang
Source code of an article (http://ajstruts.sf.net) published in 11/2003 in the german "Java Magazin" magazine, shows how to adapt 3rd party libs (e.g. struts) to project needs and ease migration to new library version using AspectJ and XSLT stylesheets