GtkDiskFree and GKtail are now on tuxfamily.org.
Please follow this link for gtkdiskfree : http://gtkdiskfree.tuxfamily.org
And this one for gktail : http://gktail.tuxfamily.org

Pour l'ATR ->> par ici [ATR]

Here some screenshot under Linux using the X windowing system :

Now you know why Linux rox... ;)