What temperature monitoring utilities are available?

The following links contain freeware/shareware for CPU/ System/ HDD temperature monitoring utilities:

• Motherboard Monitor (MBM) http://mbm.livewiredev.com/
• Hardware Sensors Monitor http://www.hmonitor.com/
• SpeedFan http://www.almico.com/speedfan.php
• SiSoftware Sandra http://www.sisoftware.co.uk/
• HDD Temperature http://www.hddtemp.com/