KCleaner!

BleachBit deletes unnecessary files to free valuable disk space, maintain privacy, and remove junk. Rid your system of old clutter including cache, cookies, Internet history, localizations, logs, temporary files, and broken shortcuts. Designed for Linux and Windows systems, it wipes clean Adobe Reader, APT, Bash, Beagle, Chromium, Epiphany, Firefox, Flash, GIMP, Google Chrome, Google Earth, Internet Explorer, Java, KDE, OpenOffice.org, Opera, RealPlayer, Safari, Second Life viewer, Skype, VIM, XChat, Yum, and more. »

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

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 also Kill running Tasks and releases more RAM to boost your phone performance and save battery life without granting superuser permission.

Peak performance for your PC. Keeps it going for longer.

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 finds 74 GB of junk on an average computer.

This is a powerful tool! Use at own risk!Nobody is perfect and Android neither.Apps you have already deleted, sometimes leave data behind.The system constantly creates logs, crash reports and debug files you don't really need.Your SD-card is collecting files and directories you don't recognize.Lets not go on here...

Advanced SystemCare, all-in-one PC optimization utility, specializes in ONE-Click solutions to detect, clean, repair, speed up and eventually protect PC. This "must-have" tool is 100% safe with no adware, spyware or viruses. To better protect users' online privacy with Advanced SystemCare Free 8, "Protect" tab is newly added, which is design to provide quick access to protect browsing from being tracked by automatically cleaning privacy traces once browser closed and detect and resist the attack of malicious plug-in/toolbar by Browser Anti-Tracking and Plug-in/Toolbar Cleaner in this tab. »

Wise Registry Cleaner scans the Windows registry for invalid or obsolete information and presents you with a list of potential problems. To help you decide which items to delete, the program classifies them as "Safe to fix" or "Not fully safe to fix".

Wise Disk Cleaner is a quick and safe junk file cleaner. The advanced scan engine will quickly locate junk files in your system and remove them safely. By deleting temporary and junk files, it increases available disk space and improves your system performance.

Click&Clean is a free, fast and easy-to-use extension for Google Chrome and Mozilla Firefox that can be used as a powerful private data Cleaner.

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 can use.

Performance Maintainer has combined open source tool such as Little registry Cleaner, Bleachbit and ultradefrag that run periodically for PC maintenance and performance. It is very simple and automated

PrivaZer is a free PC cleaner and privacy tool which cleans in-depth unwanted traces of what you've done, watched (videos, movies), downloaded with your PC See exactly what can still be recovered of your past activities on your PC at home or at work Clean in-depth unwanted traces of what you've done watched, downloaded, deleted, etc. Prevent recovery

jv16 PowerTools is the ultimate Windows optimization and tuneup utility suite. The bottom line is that it keeps your computer running smooth, fast and greatly improves its overall stability.