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.

Zerto - Virtual replication & recovery solution

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.

Macrium Reflect - Macrium Software - the creators of Macrium Reflect backup, imaging and cloning software.

DriveDx - DriveDx is advanced drive health diagnostic and monitoring utility.

Arcserve UDP - Arcserve UDP is data backup & recovery software that deals with unified data protection solutions, making you protect your computer system by creating data stores on the recovery point server.