WinDirStat - WinDirStat is a disk usage statistics viewer and cleanup tool, inspired by KDirStat.
Primo iPhone Data Recovery - Recover 25 types of lost iPhone/iPad/iPod data & repair iOS system errors.
TreeSize - TreeSize tells you where precious disk space has gone to.
Dr.Fone Toolkit - dr.fone toolkit has all the tools you need to manage your iOS or Android smartphone.
SpaceSniffer - SpaceSniffer is a freeWare (donations are welcome) and portable tool application that lets you understand how folders and files are structured on your disks.
Leawo iOS Data Recovery - Leawo iOS Data Recovery is the best data recovery software for iPhone, iPad & iPod. Free download it to recover your lost text messages, contacts, photos, videos and more from all iPhone, iPad and iPod models.