NZXT CAM - CAM is a piece of software that was designed by NZXT, one of the industry leaders in the world of gaming PC production.
Open Hardware Monitor - Monitors temperature sensors, fan speeds, voltages, load and clock speeds, with optional graph.
Real Temp - Real Temp is a temperature monitoring program designed for all Intel single Core, Dual Core, Quad...
Geforce Experience - GeForce Experience is a new application from NVIDIA that optimizes your PC in two key ways.
SpeedFan - Hardware monitor for Windows that can access digital temperature sensors located on several 2-wire SMBus Serial Bus. Can access voltages and fan speeds and control fan speeds. Includes technical articles and docs.
Guru3D - Guru of 3D: PC Hardware Reviews and tests