WinDirStat - WinDirStat is a disk usage statistics viewer and cleanup tool, inspired by KDirStat.

AnyFix - AnyFix is a tool that provides a solution for almost any iOS issue you may come across, from your device crashing or not syncing accounts to having trouble with your connection or speaker/headphone jack.

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.

iToolab FixGo - When your iOS device gets stuck on the white/black screen, Apple Logo, Recovery/DFU Mode, restart loop, is bricked, as a frozen screen or simply won’t start, iToolab FixGo is the ideal solution for you.

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.

FoneDog iOS Data Recovery - Recover photos, videos, contacts, messages, call logs, and more from iPhone, iTunes and iCloud.