Portable Diagnostics and Data Recovery Tools that run from a USB flash drive
Restoration is a tiny yet simple portable utility that allows users to restore or recover deleted files that have been removed from Windows or deleted from the recycle bin. Restoration can also be used to recover lost pictures and files from portable media such as USB flash drives, hard drives and compact flash cards.
PhotRec is a Free Portable Data Recovery utility that can be used to recover files including video, pictures or photos (hence the PhotoRec name), documents and archived files from hard disks, removable storage devices and even CDs. It can recognize the header formats of supported file types and works even if the filesystem is severely damaged or has been formatted.
SoftPerfect offers a Free Portable File Recovery utility that can be used to restore deleted files from hard drives, USB flash drives, CF and SD cards, floppy disks an other types of storage media. The software supports recovery of files on devices formatted as FAT12, FAT16, FAT32, NTFS and even NTFS5 with compression and encryption.