WinDirStat - WinDirStat is a disk usage statistics viewer and cleanup tool, inspired by KDirStat.
iMobie PhoneRescue - PhoneRescue is a complete data recovery solution for all iOS and Android users. It offers both iPhone and Android data recovery with the world's highest recovery rates.
WizTree - WizTree quickly finds the files and folders using the most space on your hard drive. It scans the MFT (Master File Table) instead of crawling the entire disk which makes it very fast.
AnyTrans 7 - Smart way to manage all your iOS data and files
TreeSize - TreeSize tells you where precious disk space has gone to.
Primo iPhone Data Recovery - Recover 25 types of lost iPhone/iPad/iPod data & repair iOS system errors.