Alternatives to WinTweaks for all platforms with any license

CCleaner

Cleaner tool for your system - protects your privacy, makes your computer faster and more secure.
- Bundleware - The software tries to install Avast too - Spyware, runs in background and collects information to send to Avast. Background mode can be disabled, but gets re-enabled on each run - Shows pop-up system wide ads from time to time
Freemium Mac Windows Android Android Tablet
Duplicate File Finder Optimal performance Portable Real-time monitoring ... Software Uninstallers Add a feature

2570 Like
BleachBit

BleachBit deletes unnecessary files to free valuable disk space, maintain privacy, and remove junk. Rid your system of old clutter including cache, cookies, Internet...

Free Open Source Mac Windows Linux Blackberry PortableApps.com
Multiple languages Portable Selective Wipe Add a feature

390 Like
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
Portable System Info Add a feature

242 Like
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
Duplicate File Finder Utilities that Delete Files File Splitting Multiple languages ... Portable Real-time Junk Monitoring File Recovery Registry repairing Add a feature

326 Like
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
Growl integration Maintenance scripts Multiple languages Software Uninstallers Add a feature

119 Like
AVG PC TuneUp

Peak performance for your PC. Keeps it going for longer. - More Speed Turbo Mode Switches off unnecessary features to release more power Program Deactivator ...

Commercial Windows
Duplicate File Finder Utilities that Delete Files File Recovery Registry repairing ... System Info Add a feature

143 Like
Ultimate Windows Tweaker

Ultimate Windows Tweaker is a freeware Tweak UI Utility for tweaking and optimizing Windows. It can simply be downloaded and used as a portable application to customize...

Free Windows
Portable Add a feature

40 Like
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
Multiple languages Privacy focused Security focused Registry Cleaner Add a feature

99 Like
Click&Clean

Click&Clean is a free, fast and easy-to-use extension for Google Chrome and Mozilla Firefox that can...

Free Mac Windows Linux Chrome OS Chrome ... Waterfox Pale Moon Firefox
Google Chrome Extensions Legacy Firefox Addon Add a feature

29 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
No features added Add a feature

30 Like
Wise Care 365

Wise Care 365 is a bundle of important registry, disk, and other system utilities for your PC. Easy to use and effective, it is the best solution to improve your...

Freemium Windows
No features added Add a feature

35 Like
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
Recover deleted files Add a feature

95 Like
GNOME Tweak Tool

GNOME Tweak Tool allows the adjustment of several advanced GNOME options that can't be configured in gnome-control-center.

Free Open Source Linux
No features added Add a feature

9 Like
jv16 PowerTools

PC System Utilities Software designed to make your computer work fast and smoothly.

Commercial Windows
No features added Add a feature

14 Like
Unity Tweak Tool

Unity Tweak Tool is a settings manager for the http://alternativeto.net/software/unity-1/ desktop.

Free Open Source Linux
No features added Add a feature

14 Like