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

DriversCloud - DriversCloud is a great piece of software that is helping you out in finding and obtaining the latest drivers for your hardware, and with this, you also have offline support to update your drivers.

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.

Driver Genius - Driver Genius is a professional driver management tool that features both driver management and hardware diagnostics. Driver Genius can backup, restore and update all your drivers in several mouse clicks.

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.

Avast Driver Updater - Scan, update and fix your drivers to make your PC work like it should