GNU ddrescue is a data recovery tool. It copies data from one file or block device (hard disk, CD-ROM, etc.) to another, trying hard to rescue data in case of read errors. Developed by GNU Foundation
License: Open Source
Acronis True Image is a comprehensive backup solution with a user-friendly interface and various features for backing up and recovering data, while ddrescue is a powerful command-line tool focused on data recovery from failing disks. Acronis offers cloud support and a range of backup types, whereas ddrescue excels in raw data recovery with advanced customization options.