Speccy - Speccy - find the details of your computer's specs. Great for spotting issues or finding compatible upgrades. Download the latest version free.
lsscsi - Uses information in sysfs (Linux kernels 2.6.
GPU-Z - GPU-Z is a lightweight system utility designed to provide vital information about your video card...
cpuid - cpuid dumps detailed information about the CPU(s) gathered from the CPUID instruction, and also...
GPU Shark - GPU Shark is a lightweight and free GPU monitoring tool for NVIDIA GeForce and AMD/ATI Radeon graphics cards.
I-Nex - system Information tool for Linux