CCleaner
Freemium
CCleaner is one of the most popular windows disk and registry cleaning utility. It scans the system for unwanted file and folders and removes it with a single…
BleachBit
Open Source
BleachBit quickly frees disk space and tirelessly guards your privacy.
AVG PC TuneUp
Commercial
AVG TuneUp is a free Windows utility designed to clean up junk files on your PC and possibly increase system performance.
Advanced SystemCare
Freemium
Advanced SystemCare Free is a popular system cleaner and optimizer.
PerfectDisk
Commercial
PerfectDisk is a defragmentation utility for Windows.
O&O Defrag
Commercial
O&O Defrag is a Windows defragmentation utility.
Wise Disk Cleaner
Free
Wise Disk Cleaner helps you claw back misused space on your hard drive by easily removing all sorts of redundant junk files, quickly.
SlimCleaner
Free
SlimCleaner is a lightweight utility for removing all kinds of junk and broken files from your computer to help improve overall performance.
RegSeeker
Free Personal
RegSeeker is a registry and cleaning tool for Windows.
System Ninja
Freemium
System Ninja is a fast, powerful and effective system optimization solution for Windows. It’s designed to quickly remove junk files, improve system speed and …
FCorp Cleaner++
Free
FCorp Cleaner++ is a lightweight application designed for cleaning unused registry entries and uninstalling unused programs.
Ashampoo WinOptimizer
Freemium
Ashampoo WinOptimizer is a system tweaking utility.
TweakNow PowerPack
Commercial
TweakNow PowerPack is a suite of PC registry cleaner utilities that let you tweak every aspect of your Windows 7, Vista or XP operating system and browser.
jv16 PowerTools
Commercial
jv16 PowerTools a utility software suite for the Microsoft Windows operating system designed to help analyze, optimize and maintain the computer.
Reg Organizer
Commercial
Reg Organizer is a set of efficient tools to tweak, optimize, and clean Windows, designed to effortlessly free up system resources and rev performance to the …
Glary Utilities
Freemium
Glary Utilities is a comprehensive system cleaner and performance booster.
Sysinternals Suite
Free
Sysinternals Troubleshooting Utilities for Windows.
Auslogics BoostSpeed
Commercial
Auslogics BoostSpeed is a software application presented as a bundle of software utilities intended to speed up, optimize and clean the user's computer, fix r…
Wise Registry Cleaner is a free registry cleaner to improve PC performance.
Wise Care 365
Freemium
Wise Care 365 is a PC performance enhancement application, which consists of five key elements PC Checkup, System Cleaner, System Tune-up, etc.
Ultimate Windows Tweaker is a free Windows customization tool that gives you access to useful system tweaks, not just ones purely designed for aesthetics.
Click&Clean
Free
Click&Clean is a free, fast and easy-to-use extension for Chrome that can be used as a powerful private data Cleaner.
Comodo System Utilities is a collectio of system utilities.
Auslogics Registry Cleaner is a registry clear software for WIndows.
Yamicsoft Windows Manager
Commercial
Yamicsoft Windows Manager helps you make your system perform faster, eliminate system fault, increase stability and security, and personalize your copy of Win…
GIGATweaker
Free
GIGATweaker is a free powerful and compact tool that allows you to optimize and tweak your Windows.
Toolwiz Care
Free
Toolwiz Care is a free toolkit designed to speed up slow PC.
Unity Tweak Tool
Open Source
Unity Tweak Tool is a settings manager for the Unity desktop.
WinUtilities
Freemium
WinUtilities is a multi-functional system performance and optimization suite for Windows.
PowerPro
Free
PowerPro lets you take control of how you use Windows.
Compare System Mechanic with alternatives
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