J2SE v1.4.x or higher

A servlet & JSP container (I use Jakarta Tomcat 5.5 at the moment, but have used or received reports from many users and/or vendors that ashkelon works with their servlet container)

postgresql ( http://www.postgresql.org/ ) or mysql ( http://www.mysql.org )

Jakarta Ant (v1.5 or higher) ( http://ant.apache.org )