Alternatives to Systweak Disk Speedup 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

2573 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

403 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 Software Uninstallers Add a feature

325 Like
dupeGuru

dupeGuru is a free and open source tool to find duplicate files on your computer. It can scan either filenames or contents. The filename scan features a fuzzy matching...
- Discontinued Not sure about "discontinued", but this is unmaintained https://github.com/hsoft/dupeguru/issues/484#issuecomment-365817860
Free Open Source Mac Windows Linux
Duplicate File Finder Find duplicated files Local based GUI Support for Hotkeys Add a feature

88 Like
SD Maid

File manager, search tool, removes orphaned files, freeze/reset/remove apps, optimize databases, find big files.

Freemium Android Android Tablet
Duplicate File Finder Root required Add a feature

39 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

120 Like
Clean Master

Clean Master is an all-in-one cleaner app on Android for cleaning app cache, unused files, residual files, search history and uninstalling apps. With this apps user can...

Freemium $ $ $ Windows Android Android Tablet
Multiple languages File Recovery Software Uninstallers Registry Cleaner Add a feature

106 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 ... Software Uninstallers System Info Add a feature

143 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/
Free Windows PortableApps.com
Portable Add a feature

59 Like
Wise Disk Cleaner

Free Disk Cleaner and Defragmenter Clean junks of Browsers, remove junk and useless files of Windows and Defragment your disk.

Free Windows PortableApps.com
Portable Add a feature

35 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

30 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

96 Like
All-In-One Toolbox

All-In-One Toolbox is an amazing app that packs in a system cleaner, optimizer, app manager, startup manager, backup and restore module, simple file manager and a lot...

Freemium Android Android Tablet
Move apps to SD card Software Uninstallers Add a feature

14 Like