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.
Glary Utilities Free
Free
All-in-one utility for cleaning your PC.
Ashampoo WinOptimizer
Free Trial
A powerful system optimization tool that cleans your disks and keeps your machine running at constant speed.
Auslogics BoostSpeed Free
Free
Clean, fix and speed up your PC in a few simple clicks.
Microsoft PowerToys
Free (Open Source)
Windows system utilities to maximize productivity.
OCZ SSD Utility
Free
A complementary management software designed to help you maintain, monitor and tune your OCZ SSD!
TweakPower
Free
Powerful PC optimization tool.
ParkControl
Free
Enables easy adjustment and monitoring of Windows core parking and frequency scaling for each power plan
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.
Auslogics Registry Cleaner
Free
Clear invalid entries from your Windows registry and get your PC running smooth again.
System Ninja
Free
A fast, powerful and effective system optimization solution for Windows.
Winaero Tweaker
Free
An universal tweaker software.
Advanced SystemCare Free
Free
A free PC optimizer and cleanup for Windows
Fan Control
Free
A highly focused fan controlling software for Windows.
PC Game Booster Free
Free
Transform your personal computer into a powerful gaming machine in a single mouse click.
Process Lasso Free
Free
A real-time process optimization and automation software.
Auslogics SSD Optimizer Free
Free
A dedicated tool to boost your SSD performance.
Intelligent Standby List Cleaner
Free
Automatically clears the Windows standby memory list to improve system performance and reduce stuttering.
IObit Smart Defrag
Free
Speed up your PC with easy defragmentation.
Nyrna
Free
Suspend games and applications.