WinDirStat - WinDirStat is a disk usage statistics viewer and cleanup tool, inspired by KDirStat.
SynciOS Data Recovery - Best iPhone data recovery software retrieves lost or deleted data like contact, whatsapp, message, photos, video for iPhone 6 Plus/6/5s/5/4S/4, New iPad, iPod Touch.
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.
Jihosoft Android Phone Recovery - A Powerful Android Recovery Tool to Recover Deleted/Lost SMS, Contacts, Photos, WhatsApp, etc.
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.