JOnAS

Please note that the content of this book primarily consists of articles
available from Wikipedia or other free sources online. JOnAS is an
open-source implementation of the Java EE application server
specification, developed and hosted by the ObjectWeb consortium
(ObjectWeb is a non-profit European consortium, founded by INRIA, Groupe
Bull, and France Télécom). JOnAS is released under the LGPL open-source
license.JOnAS is Java EE 5 certified, as of March 17, 2009. It was the
first open-source server certified for free, using a process known as
"J2EE scholarship" and established by Sun for non-profit organizations.