Glary Utilities

Glary Utilities offers numerous powerful and easy-to-use system tools and utilities to fix, speed up, maintain and protect your PC. It provides in 23 languages...

• Bundleware Be careful during the installation: https://alternativeto.net/discussions/applications/11718/be-careful-in-the-installation/

Freemium Windows Android

Advanced SystemCare

Advanced SystemCare, all-in-one PC optimization utility, specializes in ONE-Click solutions to detect, clean, repair, speed up and eventually protect PC. This...

• Bundleware The installer contains adwares. Be careful during the installation: https://alternativeto.net/discussions/applications/11718/be-careful-in-the-installation/

Freemium Windows

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

Auslogics BoostSpeed

Award-winning optimizer that will clean, fix and speed up your PC in a few simple clicks. Experts recommend BoostSpeed as effective, fast and a program the entire family...

Commercial Windows

Puran Utilities

A set of more than 20 software utilities including but not limited to utilities that can help you get the best performance out of your computer. It also provides an...

Free Windows

WinTweaks

Windows Tweaking utility that can improve your Windows performance and security with a simple mouse click by tweaking Windows services in an automatic and very safe way.

Free Windows

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

TweakNow PowerPack

TweakNow PowerPack is a fully-integrated suite of utilities that let you fine-tune every aspect of your computers operating system and Web browser. The Registry Cleaner...

Commercial Windows

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

Pegasun System Utilities

The complete care package for your computer! This program will clean, speed up, maintain, secure, and repair your system to make your computer run like brand new.

Free Windows

MacKeeper

Ensure your Mac's performance with MacKeeper, a system utility for Mac that offers a completely new approach to system care. .

• Warning MacKeeper may damage your Mac. The company behind MacKeeper is engaged in shady marketing techniques: http://www.imore.com/avoid-mackeeper

Commercial Mac

windows-tools

Speeds up Windows PC and server, by optimizing thread count per present RAM, changing NTFS settings for both performance and reliability, optimizing VSS preallocation...

Free Open Source Windows PowerShell

WinTools.net

Is a suite of tools for increasing MS Windows operating system performance. WinTools.net cleanly removes unwanted software from disk drives and dead references from the...

• Warning Overal funcionality is questionlable, since it looks like a bunch of shortcuts for build-in windows tools.

Commercial Windows

MacClean

MacClean is your free yet excellent Mac cleaner app, allowing you to speed up OS performance, keep internet surfing privacy safe, and best of all, free up space on all...

Commercial Mac

Norton Utilities

Norton Utilities improves your PC's performance and startup time by repairing common PC issues, freeing up disk space, and providing registry repair. Benefits for...

Commercial Windows