CCleaner - CCleaner cleans, speeds up and frees up space on business endpoints.
Total Commander - A Shareware file manager for Windows® 95/98/ME/NT/2000/XP/Vista/7, and Windows® 3.1.
Glary Utilities - The No. 1 Free, Powerful and All-in-one utility for cleaning your PC
XYplorer - File Manager for Windows
BleachBit - When your computer is getting full, BleachBit quickly frees disk space.
Double Commander - Double Commander is a cross-platform open source file manager with two panels side by side.