AceMDI1.1 (A small, but powerful MDIFramework for swing) released
AceMDI is a free(LGPL) MDI framework which is created to facilitate professional Swing MDI applicaitons.It can be freely used in commercial applications.
Recently we released version 1.1 of AceMDI. It is mainly a bugfix release which contains a few critical bugfixes as well key enhancements.
Also visit, AceMDI homepage at java.net : https://acemdi.dev.java.net