Disk Tools

http://www.hitachigst.com/hdd/support/download.htm

HWMonitor

HWMonitor

http://www.cpuid.com/hwmonitor.php

SMIX

SMIX

http://blogs.msdn.com/heaths/archive/2006/08/18/706576.aspx

Gnome Partition Editor

Gnome Partition Editor
http://gparted.sourceforge.net/

AMD GPU Clock Tool

AMD GPU Clock Tool
http://downloads.guru3d.com/AMD-GPU-Clock-Tool-v0.9.8-download-1985.html