CPUgenie (64-bit)

If you want the convenience of CPUGenie but prefer the free of RMClock / CrystalCPUID, you can use CPUGenie to find the optimal Vcore level for your CPU, then use RMClock / CrystalCPUID to set the level. Vcore respectively. Double the way, right? But this solution is still subject to the limitations of RMClock / CrystalCPUID, including limited support for newer CPUs and not good support for new operating systems.