JBoss Application Server can be freely downloaded from the community site:
Then, you'll soon be redirected to the SourceForge site where the project is hosted.
JBoss 5 is released in two different versions: jboss-5.0.0.GA.zip and jboss-5.0.0-jdk6.zip. The former version is the appropriate distribution if you are using JDK 1.5; the latter is the targeted release for JDK 1.6. Choose the appropriate distribution and start downloading.
At the time of writing, the newer stable release 5.1.0 of JBoss AS is available. The most important changes introduced by the new release include a new web administration console and the reactivation of the cluster farming option. For the purpose of running ...