Screenfetch - Simple command-line tool that displays your distro's logo in text art form, your OS version...
CPU Frequency Selector - Cinnamon CPU Frequency Selector Applet
Neofetch - Fancier version of Screenfetch that displays colors and supports more platforms.
SiSoftware Sandra - SiSoftware Sandra (the System ANalyser, Diagnostic and Reporting Assistant) is an information &...
Archey 4 - Archey 4 is a system information tool written in Python
PC Wizard - THIS SOFTWARE IS NO LONGER MAINTAINED.PC-Wizard is an utility designed to analyze and benchmark your computer system.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.