GPU-Z - GPU-Z is a lightweight system utility designed to provide vital information about your video card...

Neofetch - Fancier version of Screenfetch that displays colors and supports more platforms.

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.

Screenfetch - Simple command-line tool that displays your distro's logo in text art form, your OS version...

HWiNFO - Professional System Information and Diagnostics. Comprehensive Hardware Analysis, Monitoring and Reporting for Windows and DOS. FREEWARE. download. Advertisements.

Ufetch - Tiny system info for Unix-like operating systems