lsscsi - Uses information in sysfs (Linux kernels 2.6.
HWiNFO - Professional System Information and Diagnostics. Comprehensive Hardware Analysis, Monitoring and Reporting for Windows and DOS. FREEWARE. download. Advertisements.
cpuid - cpuid dumps detailed information about the CPU(s) gathered from the CPUID instruction, and also...
Dmidecode - Dmidecode reports information about your system's hardware as described in your system BIOS...
Glxinfo - glxinfo is a command-line tool that can help you diagnose problems with your 3D acceleration setup.
I-Nex - system Information tool for Linux