BleachBit deletes unnecessary files to free valuable disk space, maintain privacy, and remove junk.
CCleaner is a system optimization/cleaning tool. It removes unused files from your system, allowing Windows to run faster and freeing up valuable hard disk space. It can also clear your internet history and act as a fully featured registry cleaner.
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
Glary Utilities offers numerous powerful and easy-to-use system tools and utilities to fix, speed up, maintain and protect your PC.
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 does not contain non-troubleshooting tools like the BSOD Screen Saver or NotMyFault.
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 your Windows to meet your requirements.
Make your old PC live longer — and your new PC run faster — with AVG TuneUp. Our PC optimizer comes with revamped Sleep Mode technology to boost your PC speed and performance, and Disk and Browser Cleaners that free your storage space.
AVG PC TuneUp vs PC Tools Performance Toolkit opinions
Too difficult to manage. does not clean registry after switching off computer. I have to do manually
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.
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.Bundleware
The installer contains adwares. Be careful during the installation: https://alternativeto.net/discussions/applications/11718/be-careful-in-the-installation/
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.
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".Bundleware
The installation may contain adwares. Be careful during the installation: https://alternativeto.net/discussions/applications/11718/be-careful-in-the-installation/