StableBit Scanner - StableBit Scanner is a state of the art disk health monitoring tool.
DiskWarrior - DiskWarrior, the world's most advanced and highest rated hard disk, hard drive, and disk repair and data recovery tool for macOS, OS X and Mac OS X.
Acronis Drive Monitor - Acronis provides online backup, disaster recovery and data protection, Internet security, spyware removal, partition manager programs.
Data Rescue - When Apple's system recovery fails, recover any and all files with Data Rescue 3. This data rescue software will even work if your Mac's hard drive fails to mount.
Pc-Check - Pc-Check will scan for errors in all hardware components on the computer it is being deployed on...
iBoysoft Data Recovery - iBoysoft Data Recovery for Windows serves as advanced data recovery software to assist users in file recovery from Recycle Bin, BitLocker-secured drives, RAW partitions, corrupted or formatted drives, deleted or lost partitions, etc. on Windows.