HWiNFO - Professional System Information and Diagnostics. Comprehensive Hardware Analysis, Monitoring and Reporting for Windows and DOS. FREEWARE. download. Advertisements.
Neofetch - Fancier version of Screenfetch that displays colors and supports more platforms.
Archey 4 - Archey 4 is a system information tool written in Python
Speccy - Speccy - find the details of your computer's specs. Great for spotting issues or finding compatible upgrades. Download the latest version free.
Ufetch - Tiny system info for Unix-like operating systems
Hardinfo - Hardinfo is a system information and benchmark tool for Linux.