Alternatives to Registry Defragmentation for all platforms with any license

Glary Utilities

Easy, one-click access to a large array of cleaners and boosters to optimize PC and Android performance.
- Bundleware
  Be careful during the installation: https://alternativeto.net/discussions/applications/11718/be-careful-in-the-installation/
Freemium Windows Android
System Cleanup Registry repairing Software Uninstallers Duplicate File Finder ... Utilities that Delete Files File Splitting Multiple languages Portable Real-time Junk Monitoring File Recovery Software Uninstallers Add a feature

341 Like
Wise Registry Cleaner

Registry Cleaner and Optimizer. Clean registry junks, repair Windows errors, and keep your PC at peak performance. .
- Bundleware
  The installation may contain adwares. Be careful during the installation: https://alternativeto.net/discussions/applications/11718/be-careful-in-the-installation/
Freemium Windows PortableApps.com
Portable Add a feature

60 Like
System Mechanic

System Mechanic automatically repairs errors and fragmentation, cleans out clutter, and tunes up your PC -- so that it runs smoothly, reliably, and up to 300% faster!...

Commercial $ $ $ Windows
System Cleanup Add a feature

31 Like
SlimCleaner

SlimCleaner is a freeware PC maintenance program that uses crowd-sourced feedback to make up-to-date optimization recommendations for users. In many ways it's like...
- Bundleware
  The installer contains adware and possibly other malware. Be careful during the installation: https://alternativeto.net/discussions/applications/11718/be-careful-in-the-installation/
Freemium $ $ $ Windows
System Cleanup Utilities that Delete Files Portable Add a feature

22 Like
Reg Organizer

Reg Organizer is a feature-rich application designed to edit, clean and maintain registry, fix errors in the system, and improve computer performance. The deep registry...

Commercial Windows
System Cleanup Registry Editor Software Uninstallers Startup listing ... System Tweaker Registry Cleaner Add a feature

12 Like
Auslogics Registry Cleaner Free

Safe and Easy Way to Resolve Stability Issues; Registry Cleaner clears invalid entries from your Windows registry in a click;.

Free Windows
Registry repairing Add a feature

17 Like
Little Registry Optimizer

Little Registry Optimizer is a part of Little Apps` Little Registry Cleaner. This project is aimed to analyze the windows registry and (if needed) optimize it so it will...
- Discontinued
  No longer updated. Last version was released in 2011. See https://www.little-apps.com/little-registry-optimizer/
Free Open Source Windows
No features added Add a feature

5 Like
Eusing Free Registry Defrag

Eusing Free Registry Defrag is a free registry defragmentation software that optimizes registry by removing gaps, fragments and wasted space in Windows registry files. ...

Free Windows
No features added Add a feature

4 Like
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CleanMyPC

CleanMyPC is a dozen tools in one for a cleaner and safer PC. It scans your whole system to clean up junk files and speed up your computer. Uninstall apps the right way...

Commercial Windows
Optimal performance System Cleanup Software Uninstallers Add a feature

8 Like
WinUtilities

WinUtilities is a multi-functional system performance and optimization suite for Microsoft Windows. This collection of tools lets you supercharge your PC's...

Freemium Windows
System Cleanup Duplicate File Finder Portable Software Uninstallers Add a feature

10 Like