any disk

FCleaner - Windows Disk And Registry Cleaning And Optimization Freeware

FCleaner Portable - Portable Way To Clean And Optimize Windows Disk And Registry

Keep hard disk drives' health, performance and operation status

System, disk, memory optimization and maintenance tool

MyDefrag (formerly JKDefrag) is a disk defragmenter and optimizer.

Monitor your CPU, Memory, Disk and Network utilization with this program

DiskMax is a comprehensive disk clutter cleaning tool.

A free CPU, memory and disk monitoring utility for your desktop

CheckDisk is a powerful tool for searching and repairing disk errors!

PageNest downloads web pages and sites to your hard disk