"Komposé is a full screen task manager for KDE that has
just gone to release 0.4.1 in two months. You really have to see it
to understand, but imagine that tiny little box in your taskbar
that indicates all our running windows blown up and on the entire
desktop. Then add a tiny screenshot for each app.
"Ok, now we're getting somewhere. This kind of task manager is
new to Linux desktop users, but has been a staple of OS X users for
nigh on a year and a half or so. If you have seen exposé in
action on a OS X machine then you have a good idea of what
Komposé is like..."