I tried to create a new gui for KeepassX but it's pretty hard. The Qt creator support for fremantle is pretty limited. Without that, it's no doable for me to create a good interface. See some of my frustrations here:

http://talk.maemo.org/showthread.php?t=34879

and here:

http://talk.maemo.org/showthread.php?t=36457

Nokia should release a new Qt creator!