Speccy - Speccy - find the details of your computer's specs. Great for spotting issues or finding compatible upgrades. Download the latest version free.
Udev Discover - A helping tool for udev testers, coders, hackers and consumers.
GPU-Z - GPU-Z is a lightweight system utility designed to provide vital information about your video card...
CPU-Z - CPU-Z is a freeware that gathers information on some of the main devices of your system : Processor name and number, codename, process, package, cache levels.
GPU Shark - GPU Shark is a lightweight and free GPU monitoring tool for NVIDIA GeForce and AMD/ATI Radeon graphics cards.
PC Wizard - THIS SOFTWARE IS NO LONGER MAINTAINED.PC-Wizard is an utility designed to analyze and benchmark your computer system. CPU and memory subsystem (caches, RAM ...). Graphics and video. Hard disks, CD/DVD, Removable/FLASH medias.