Nootka is a graphical application intended to teach classical score notation.
We've already covered all the new features in Clementine 0.6 (release candidate at the time) so this post is just a small update to let you know that Clementine 0.6 stable has been released. There are no new features since the RC, only bug fixes.
QGtkStyle makes your Qt/KDE programs look similarly to GTK ones. But there were no easy .debs for a long while so I searched everywhere and found deb files for Ubuntu on the ubuntuforums.