Apache Geronimo v2.0.2 has passed the SUN's JEE5 Certification Test Suite.
Downloads are provided for both Windows and Unix (including Linux, Mac OS X) operating systems. Each Geronimo package includes one of two possible Web containers, Tomcat or Jetty. Please choose the download with your preferred Web container in the name. Both Tomcat and Jetty are fully supported in Geronimo. For more background on each, please see the Tomcat home page and the Jetty home page.
Apache Geronimo v2.0.2 Release Notes | 