Zero Assumption Recovery (X) (ZAR or ZAR X for short) is currently the only best data recovery solution (with the most accurate data scan and recovery capabilities) for FAT, NTFS, EXT, and XFS filesystems. It was developed by Alexey V. Gubin from Russia, and enjoys a pretty good reputation and popularity around the world on data recovery field. It seems to have been specifically designed for recovering digital photos from digital devices at first, which has exposed as a free feature now (camera compatibility list for photo recovery).