display the JNLP of a particular applicationdirectly (offline/online) execute the applicationinstall shortcuts on the desktop (tested on Vista)display the cache sizeThe Cache Viewer was already available in the JDK 1.6 update < 10, but it is especially usable for the management of new Java 6 u10 applets / webstart apps. I use it mainly to find a "lost" application :-).