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.
Acronis Cyber Protect Home Office - (Formerly Acronis True Image) Complete protection for your digital life
321Soft Data Recovery for Mac - The ultimate Mac Data Recovery software with RAID supported.
Macrium Reflect - Macrium Software - the creators of Macrium Reflect backup, imaging and cloning software.
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.
Clonezilla - Clonezilla is a suite of software that's designed to allow you to back-up and image new hard drives with your data.