vTAS is a JAVA application developed by Yannick Raoul with the help of Martin Böehm, A. Filhol, Wolfgang Schmidt, Zita Hüsges, etc.
The pages address the building up and management of the Eclipse project and then the signing process for both the .jar and the .jnlp files. The later is one of the difficult part of the deployment process.
vTIU (vTAS, vIMPS, vUFO) is a project developped using the framework Eclipse.
Go to this page (in French) describing the Eclipse installation, configuration et project set-up.