Eclipse + Tomcat + JBoss + MySQL 3.x: Step-by-step guide by Hao Wu covers setting up the following open source tools for J2EE 1.3 development: Tomcat 4.x for Servlet 2.3 and JSP 1.2, JBoss 3.x for EJB 2.0, JMS 1.1, JCA 1.0, and JAXP 1.1, MySQL 3.x for RDBMS Persistence, Eclipse for Java IDE.
Hello, World! Web App: Ten steps for deploying a simple JSP web application on JBoss AppServer.
JBoss: Includes source, documentation, downloads, and user forums. [Open Source, LGPL]
JBoss FAQ: Collection of FAQs for JBoss application server.
Learno: A website that teaches the basics of JBoss by allowing the user to click on multiple choice questions with answers explained.
Q&A: Behind the Story at JBoss: Marc Fleury explains his vision for JBoss software, which he says will displace commercial Java server software faster than Linux is replacing more entrenched OSs. [ZDNet UK]