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.
321Soft Data Recovery for Mac - The ultimate Mac Data Recovery software with RAID supported.
DriveDx - DriveDx is advanced drive health diagnostic and monitoring utility.
ApowerRecover - Accidentally delete files and don't know what to do? Don't worry! ApowerRecover is an effective data recovery program that can help you get them back.
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.
TechTool Pro - Techtool Pro is a robust hardware diagnostic tool available for Macintosh.