There is all ways something to do for Umbrello UML Modeller. You can find an
up to date list of remaining bugs in the bug tracker system at:

http://bugs.kde.org/

If you don't like chasing a bug you can add an incredible new feature. To get
an idea what might be good feature look at the feature tracker system:

http://bugs.kde.org/

You can discuss a solution for a problem with the Umbrello developers at the
Umbrello developer's mailing list:

uml-devel@lists.sourceforge.net

So if you want to translate Umbrello to another language feel free to contact
the developers as well.  A translation HOWTO is at:

http://uml.sf.net/translations.php

Finally, to get an overview look at the home page:

http://uml.sourceforge.net/
