Sysinternals Suite

The Sysinternals Troubleshooting Utilities have been rolled up into a single Suite of tools. This file contains the individual troubleshooting tools and help files. It...

Free Windows

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

NirLauncher

NirLauncher is a package of more than 200 portable freeware utilities for Windows, all of them developed for NirSoft Web site during the last few years. You can easily...

• Warning This app contains tools that can read or unveil passwords and could be used by other users of your computer for malicous actions. Read the comments.

Free Windows

CleanMyMac X

CleanMyMac scans every inch of your system and safely removes gigabytes of junk in just two clicks. Free up storage on your Mac and boost its performance — CleanMyMac...

Commercial $ $ $ Mac

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

Yamicsoft Windows Manager

Yamicsoft Windows managers are powerful software tools to tweak, optimize, maintain and tune up Windows XP,Vista, 7 and 8. They include over thirty different utilities...

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

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

X-Setup Pro

X-Setup Pro is a so-called "hacker" or "tweaker" program. It allows you to change 1,900 settings that are normally hidden deeply in some...

• Discontinued The program is no longer developed. Last version, 9.2.100, released in February 2010, can be still downloaded from the mirrors provided.

Free 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

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

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

Ashampoo HDD Control

Ashampoo HDD Control 2 provides complete monitoring of your hard drive(s). The software supports not only all common IDE and serial ATA hard drive(s), but also provides...

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