Service oriented architecture (SOA/BPM)	Open Source SOA
SOA Workshop Business Process Management Web Service Workshop	Activiti Suite (BPM) Apache ServiceMix (ESB) Apache ActiveMQ (JMS Broker) Apache Camel (Mediation) OpenRules (BRM) JBoss Drools (BPM+BRM)
Microsoft Biztalk Server	Patterns
ESB Guidance Team Blog Posters	SOA Patterns Enterprise Integration Patterns .NET Patterns & Practices JEE Patterns
GUI components	Whitepapers, Tutorials
JSF component matrix Silverlight Toolkit Controls Silverlight Sample Browser	Implementing a Domain Specific Language on .NET Using Silverlight for JEE applications Implementing a Groovy-based rule engine Silverlight Star Wars Credits
Portals	Tools
InfoQ.com DZone.com ASP.net	TCP Monitor (Webstart) SOAP UI (Webstart) Groovy Console
Additional topics	J2EE books
.NET Training J2EE Performance Test	J2EE, Java and C++ Mastering EJB EJB Design Patterns