As a starting point, you can find here some information about running a complete <a href="
http://www.folgmann.com/en/j2ee/">J2EE stack on Linux.
J2EE 1.3.1 is NOT "freshmeat" on the 25th June 2002
As can be seen from the download page, J2EE 1.3.1FCS has been out on all supported platforms since January 31st 2002.
I'm pointing this out because I've had some submissions pulled from the homepage because they were not "fresh".
An open, cross-platform journaling program.
A scientific plotting package.