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.
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/
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 PC's performance. Get Wise Care 365 and your computer will never run slow again!
Registrar Registry Manager offers a very complete and safe solution to administrators and power users for maintaining the registry on both their desktops and remote computers on their network.
System Mechanic is a suite of tools made to tune up your PC. It can solve several PC problems and optimize performance.
SCleaner is a Small, Simple, Portable & Free System Cleanup & Optimization Utility, It Provides a very simple User Interface Which anyone can Easily Understand yet Provide a collection of Powerful Tools for System Cleanup & Optimization.