Overclocking tools

Preparing myself for doing some overclocking , i was looking into the process of overclocking and useful tools to accomplish this safely today. These are freeware programs that will be helpful.

To be on top of the CPU:
CPU-Z : System -System information (already in my selection)
CPU-Z gathers and displays information on some of the main devices of your machine, including CPU, motherboard, memory and operating system.

To be on top of CPU temperature:
Core Temp : System -System information (Added to my selection today.)
Core Temp is a compact, small footprint program to monitor CPU temperatures. It shows the temperature of each individual core in each processor on your system. You can see in real time how the CPU temperature varies when you load your CPU.
AND / OR
Speedfan : System -System information (already in my selection)
A tool that can change your computer's fan speeds, read the temperatures of your motherboard and your hard disk, read voltages and fan speeds and check the status of your hard disk using S.M.A.R.T. or SCSI attributes.

To stress test the CPU (find stable settings):
Prime95 : System - CPU, GPU and Memory tools (Added to my selection today.)
Prime95 is a program designed to be used to find Mersenne Prime numbers. It is a great, popular application for stress testing CPU and memory.
AND / OR
SP2004 Orthos Edition: System - CPU, GPU and Memory tools (Added to my selection today.)
SP2004 Orthos Edition is a GUI around Prime95 to make things easier.