Wise Care 365 - Wise Care 365 is a bundle of important registry, disk, and other system utilities for your PC.
Win Toolkit - BUGS: Do not post bugs in the comments.
BleachBit - When your computer is getting full, BleachBit quickly frees disk space.
Ultimate Windows Tweaker - Ultimate Windows Tweaker is a freeware Tweak UI Utility for tweaking and optimizing Windows.
AVG PC TuneUp - Peak performance for your PC. Keeps it going for longer. - More Speed Turbo Mode
NTLite - The Ultimate Windows Customization Tool