Summary : View free disk space

Description :
KDiskFree displays the available file devices (hard drive partitions,
floppy and CD/DVD drives, etc.) along with information on their capacity,
free space, type and mount point. It also allows you to mount and unmount
drives and view them in a file manager.

URL : http://utils.kde.org/projects/kdf
License : GPLv2 and LGPLv2 and GPLD