John's Background Switcher - Switch backgrounds to trending imgur, reddit, tumblr threads
Speccy - Speccy - find the details of your computer's specs. Great for spotting issues or finding compatible upgrades. Download the latest version free.
Wallcat - Enjoy a new, beautiful wallpaper, every day.
HWiNFO - Professional System Information and Diagnostics. Comprehensive Hardware Analysis, Monitoring and Reporting for Windows and DOS. FREEWARE. download. Advertisements.
Splashy - Breathtaking, auto changing wallpaper app for macOS, Windows, Linux, iOS & Android
AIDA64 - AIDA64 is a system information, diagnostics and benchmarking solution for Windows PC.