The following websites are relevant to or provide additional information on the topics discussed in this chapter:
Acegi Security System for Spring http://acegisecurity.org/
Apache Geronimo http://geronimo.apache.org
AOP Alliance (Java/JEE AOP standards) http://aopalliance.sourceforge.net/
Dependency injection http://www.martinfowler.com/articles/injection.html
Eclipse SDK http://www.eclipse.org/aspectj/
Excalibur http://excalibur.apache.org/
HiveMind http://jakarta.apache.org/hivemind/
JBoss Application Server http://www.jboss.com
Mock Objects http://mockobjects.com
PicoContainer http://www.picocontainer.org/
Software Practices Lab http://www.cs.ubc.ca/labs/spl/
Spring discussion forums http://forum.springframework.org/
Spring IDE http://springide.org/project
The Spring Framework http://springframework.org