Open Hardware Monitor - Monitors temperature sensors, fan speeds, voltages, load and clock speeds, with optional graph.
DisplayFusion - DisplayFusion will make your multi-monitor life much easier.
Guru3D - Guru of 3D: PC Hardware Reviews and tests
Mizage Divvy - Divvy is an entirely new way of managing your workspace.
Geforce Experience - GeForce Experience is a new application from NVIDIA that optimizes your PC in two key ways.
WindowGrid - Quickly and easily layout windows on a dynamic grid using just the mouse.