PhotoRec - Jun 4, 2016 - PhotoRec is file data recovery software designed to recover lost files including video, documents and archives from hard disks, CD-ROMs, and lost pictures (thus the Photo Recovery name) from digital camera memory.
Recuva - Accidentally deleted an important file? Lost files after a computer crash?
TestDisk - TestDisk is a free and open source data recovery software tool designed to recover lost partition and unerase deleted files. DownloadDownload TestDisk & PhotoRec. TestDisk is a free and open .
GNU ddrescue - GNU ddrescue is a data recovery tool.
Disk Drill by Cleverfiles - Recover any type of deleted files in Windows & Mac including Office documents, messages, and media files quickly and easily.
DMDE - DM Disk Editor and Data Recovery (DMDE) is a disk editor which can help you to understand NTFS.