Facing new challenges everyday

I found some interesting stuff recently on a search at java.net portal, both related to swing development, one of then is balloontip (balloontip.dev.java.net), this project provides a swing component that works as a tooltip, the component behavior and appearance makes the application usability better.

For MDI application development the acemdi (acemdi.dev.java.net) seems to be a good choice, with acemdi you can create MDI application very easily, you have only two classes (MDIFrame and MDIView) where MDIFrame is the application window and MDIView is the MDI child, you can add any swing component to your MDI view and then add this MDIView as child of MDIFrame, no complex code.