Unstoppable Copier is a free portable corrupted file recovery software tool that allows you to recover files from hard drives, flash drives, CDs/DVDs and other media disks that have physical damage or are starting to go bad. I.E (copy files from disks with bad sectors, CDs or DVD's with scratches or drives that display read errors while accessing data).
Roadkil's Undelete is a lightweight and completely portable file recovery tool that can be used to recover deleted files from both internal and external drives, including USB flash drives and portable hard disks. As long as the drive hasn't been reformatted, this utility can detect and restore many types of files, quickly and with minimal effort.
PhotoRec is a free, open source, portable data recovery utility that specializes in recovering deleted or lost files from hard drives, SSDs, USB flash drives, memory cards, optical discs, and many other storage devices. Unlike traditional recovery software that depends on the filesystem, PhotoRec searches storage media for known file signatures, allowing it to recover files even from severely damaged or reformatted drives.
