
1) Free software programmed in C
Found on
https://www.crosswordclues.com/clue/photorec

PhotoRec is a free and open source file carver data recovery software tool designed to recover lost files from digital camera memory (CompactFlash, Memory Stick, Secure Digital, SmartMedia, Microdrive, MMC, USB flash drives, etc.), hard disks and CD-ROMs. It recovers most common photo formats, including JPEG, and also recovers audio files includin...
Found on
http://en.wikipedia.org/wiki/PhotoRec
No exact match found.