Kingsoft PC Doctor is described as 'very good Free Registry Cleaner, professional computer security utility, Powerful Malware Removal & Trojan Remover, Ultimate Windows Cleaner & Windows Optimization' and is a System Cleaner in the OS & Utilities category. There are more than 100 alternatives to Kingsoft PC Doctor for a variety of platforms, including Windows, Mac, Android, Linux and Android Tablet. The best alternative is BleachBit, which is both free and Open Source. Other great apps like Kingsoft PC Doctor are CCleaner (Freemium), Glary Utilities (Freemium), Sysinternals Suite (Free) and SD Maid (Freemium).
PC Reviver is a multi-purpose utility that will diagnose errors on your PC, safely repair them, and provide other maintenance and optimization recommendations. PC Reviver is the trusted and recommended way to restore optimum performance and stability to your PC.
Many applications is one to help speed up your computer. PC Check & Tuning attempts to raise the speed of your PC back to its original speed. It helps improve and also maintain a healthy PC performance level.