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.

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

Speccy - Speccy - find the details of your computer's specs. Great for spotting issues or finding compatible upgrades. Download the latest version free.

Archey 4 - Archey 4 is a system information tool written in Python

GPU Shark - GPU Shark is a lightweight and free GPU monitoring tool for NVIDIA GeForce and AMD/ATI Radeon graphics cards.

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