CrystalDiskMark is designed to quickly test the performance of your hard drives. Currently, the program allows to measure sequential and random read/write speeds.

Disk Heal is a free useful tool that performs many useful functions. A clean-up type of software which cleans the mess made by some viruses. In addition to fixing disk problems, it provides a few other features as well. With this tool even we able to change drive icon easily.

Partition Logic is a free hard disk partitioning and data management tool. It can create, delete, format, and move partitions and modify their attributes. It can copy entire hard disks from one to another.

Partition Logic is free software, available under the terms of the GNU General Public License. It is based on the Visopsys operating system. It boots from a CD or floppy disk and runs as a standalone system, independent of your regular operating system.

HD Tune is a hard disk utility which has the following functions:

* Benchmark: measures the raw performance
* Transfer Rate
* Access Time
* CPU Usage
* Burst Rate
* Hard Disk information which includes firmware version, serial number, disk capacity, buffer size, transfer mode
* Hard Disk Health

SpeeDefrag is the exclusive freeware program which optimizes Windows XP defrag. It restarts your computer which refreshes the RAM and then loads just the defrag.exe program. This imposes mininal load on the system and therefore defragmentation speed is increased. This program will also shutdown or restart your computer automatically once defrag is over.