DBAN
Darik’s Boot and Nuke (commonly known as DBAN) is an open source project designed to securely erase a hard disk until data is permanently removed and no longer recoverable. (…)
NTFS Undelete
NTFS Undelete is free and open source software that allows you to recover deleted files. It recovers files directly from hard drive, and it will work even if you empty Recycle Bin. (…)
Recuva
Recuva (pronounced “recover”) is a freeware Windows utility to restore files that have been accidentally deleted from your computer. (…)