Set this Cleanup Utility to periodically scan your hard disk and remove unwanted files

Hard disk utility that helps you track disk space usage. It uses stylish and unique 3d graphics. Helps you understand where is lost most of disk space. It's unique disk utility that makes your file system more organized. More info on site.

DMF Utility is a small utility that works to format the floppy disk of ever (3.5??) to a capacity of 1.68Mb, also known as DMF. It is an independent application that needs no installation, just run it when you need it.

Disk Monitor Pro, Awesome Disk Space Monitor with alerts and reports.

3D freeware animated disk statistics - spice up your disk stats

DiskGrabber is a disk utility to store and look through disk images from CD and DVD. Using this program you can look through contents of replaceable disks registered in the program without disks in a drive.

ShowSize is a powerful disk space utility that makes it possible to find large, space-hogging folders and files on local or network disk volumes. ShowSize delivers the power that enables you to get a clear picture of disk space usage on hard drives.

Wipe data on your disk

Active@ Hard Disk Monitor is a freeware disk utility that checks and monitors the status of your hard drives to help prevent data loss. The system is based on the Self-Monitoring Analysis and Reporting Technology (S.M.A.R.T).

With VolID you can modify your disk drive's serial number which is also called Volume ID (not hard disk's physical serial which you can find at back of your hard disk).