ONERECOVERY is the best data&photo recovery software for Windows PCs and Macs. It can recover over 1000 file types and bring your lost data back due to various situations like accidental deletion, formatting, virus attack and more...
SquirrelDisk - Discover what files are taking up your hard disks.
Sweeper - KDE is an open community of friendly people who want to create a world in which everyone has control over their digital life and enjoys freedom and privacy.
DaisyDisk - DaisyDisk is a disk analyzer tool for OS X that visualizes hard disk usage and allows to free up hard disk space.
Pegasun System Utilities - Pegasun System Utilities is one of the best means for enhancing the performance of the PC.
CleanMyMac X - Clean, protect and speed up your Mac
R-Wipe&Clean - R-Wipe&Clean is a complete R-Tools answer for wipe futile records and keep up your PC protection.