Nova Orchestra requires Java Development Kit (JDK) 1.5 (also called JDK 5.0) but also runs with with next release.
The JDK software can be downloaded from http://java.sun.com/j2se/1.5.0
Nova Orchestra requires Apache Ant 1.6.5 or higher
It can be downloaded from http://ant.apache.org
Nova Orchestra runs in Apache Tomcat servlet container. It has been tested with Tomcat 5.5.17 and Tomcat 5.5.25.
Tomcat can be downloaded from http://tomcat.apache.org/