System Optimization Tools

Intel Extreme Tuning Utility
Free
A simple Windows based performance tuning software for novice and experienced enthusiasts to overclock, monitor, and stress a system.
Microsoft PowerToys
Free
Windows system utilities to maximize productivity.
TweakPower
Free
Powerful PC optimization tool.
AppAudioConfig
Free
Manage the volume and mute status of programs.
ParkControl
Free
Enables easy adjustment and monitoring of Windows core parking and frequency scaling for each power plan
Windows Repair Free
Free (For Personal Use)
A tool designed help fix a large majority of known Windows problems.
Ashampoo WinOptimizer
Free Trial
A powerful system optimization tool that cleans your disks and keeps your machine running at constant speed.
Microsoft PC Manager
Free
Good way protects your personal computer and optimize performances.
Fan Control
Free
A highly focused fan controlling software for Windows.
Nyrna
Free
Suspend games and applications.
Wise Care 365 Free
Free
PC Cleaning and Speed up Tool.
Ace Utilities
Free Trial
Optimize Your PC Using Award Winning Collection of Utilities.
Auslogics BoostSpeed Free
Free
Clean, fix and speed up your PC in a few simple clicks.
Auslogics SSD Optimizer Free
Free
A dedicated tool to boost your SSD performance.
AutoPowerOptionsOK
Free
Auto power options adjustment, increase energy efficiency on MS Windows.
Process Lasso
Free Trial
A real-time process optimization and automation software.
TweakNow PowerPack
Free Trial
A fully-integrated suite of utilities that let you fine-tune every aspect of your computer's operating system and Web browser.
Ashampoo WinOptimizer FREE
Free
Makes Windows maintenance fast and easy.
Auslogics Registry Cleaner
Free
Clear invalid entries from your Windows registry and get your PC running smooth again.
Eusing Utilities
Free
A system diagnostic utility that will help you diagnose and optimize your computer.