Prime95
Prime95 is a program that searches for new Mersenne prime numbers.
19 Alternatives To Prime95
3C Toolbox
Comprehensive toolbox to save battery, tweak, tune, backup, secure and monitor any Android devices.
HeavyLoad
The individual test methods employed by HeavyLoad can be customized to fit your needs.
Launcher Service
Launcher Service lets you run any program as a Windows Service.
Process Monitor
Monitor file system, Registry, process, thread and DLL activity in real-time.
Process Tamer
Freeware Microsoft Windows utility that monitors the CPU use of applications, alerts when they use too much, and reduces their priority to keep your PC fast.
RegToy
Registry Tweaking, Services Manager, Startup Manager, Registry Backup, Renew Registry, Registry…
Speccy
Speccy - find the details of your computer’s specs. Great for spotting issues or finding compatible upgrades. Download the latest version free.
System Stability Tester
System Stability Tester - Test your system’s stability and performance by calculating millions of digits of Pi.
SystemExplorer
Homepage of System Explorer. Freeware Tool for displaying and managing system internals
Turbo Service Manager
TSM is a very small tool to configure your services. Features: Save/Load state in XML.
Windows Task Manager
Need assistance with your Microsoft product? Find helpful articles for Windows, Office, Microsoft Account, Microsoft Store, Xbox, and more.
Xfce Task Manager
Easy to use application for monitoring and controlling running processes.
htop
htop - an interactive process viewer for Unix. This is htop, an interactive process viewer for Unix systems. It is a text-mode application (for console or X terminals) and requires ncurses.
iPulse
Using its concise and appealing user interface, iPulse graphically displays the inner workings of macOS on you desktop, menu bar or Dock.