CCleaner - CCleaner cleans, speeds up and frees up space on business endpoints.
MiniTool Partition Wizard - As a partition magic alternative, Minitool Partition Wizard is the latest partition manager software which be used to manage partition on Windows 10/8/7/XP and Server 2003/2008/2012.
Glary Utilities - The No. 1 Free, Powerful and All-in-one utility for cleaning your PC
GParted - Extremely powerful partition manager. Copy, clone partitions.
BleachBit - When your computer is getting full, BleachBit quickly frees disk space.
DiskGenius - DiskGenius provides an all-in-one solution for data recovery, disk partition management and backup & restore for Windows PCs, Servers and workstations.