Try one written in Java itself. It should drive you nuts that in order to develop for the premier cross-platform environment, you can only do it on one platform. One of them is called Simplicity for Java, and it's got quite a few clever tricks up its sleeve. Up comes InstallShield for Java and guides you though the process of selecting a directory and installing to it.
Documentation is pretty good and comes in HTML format.
Support is available through e-mail, and in our experience a reply came by the next business day. That means that the running model of your program is what you drop buttons and entryfields and other visual elements onto - becoming active and functional the moment you do. If you were to add a few extra lines of code to the behavior of an element, it's functional instantly. No saving and compiling steps in-between. This is quite a leap in Rapid Application Development.