CPU-Z is a freeware that gathers information on some of the main devices of your system.
HWMonitor is a hardware monitoring program that reads PC systems main health sensors : voltages, temperatures, fans speed.
Driver Sweeper is a fast tool to remove driver leftovers from your system (NVIDIA Forceware, ATI Catalyst, etc.). It’s very important to remove your drivers on a proper way, because driver leftovers can cause problems like stability and startup problems. You can use it if you want to update/remove drivers from your system.
Changes: improved NVIDIA File cleaning (CUDA), single click restore from system tray.