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.
PrivaZer is a free tool for cleaning and PC confidentiality, which cleans unnecessary tracks with deep and thorough scanning, it's worth it!
Tron is a collection of programs, tools, utilities, and Windows functions that are all scripted together. Those programs and such are designed to remove malware and bloatware, repair damaged operating systems, update old versions of very common applications, free up drive space...
Clean Master for PC is a cleaner of junk files and a computer optimizer. The desktop tool removes invalid, temporary, and cache files that tend to slow down a device. It targets over 500 applications and cleans software junk left behind.Warning
The Android version of Clean Master was removed by Google in 2020 from the Play Store including all Cheetah Mobile's apps "for violating our disruptive ads policy and disallowed interstitial policy."
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.
Tweaking.com - Windows Repair is a tool designed help fix a large majority of known Windows problems including; registry errors, file permissions, issues with Internet Explorer, Windows Updates, Windows Firewall and more.
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/