Partition Recovery by DiskInternals - Software to recover data or lost/deleted partition.
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.
Partition Find and Mount - Partition Find & Mount implements a new concept of deleted or lost partition recovery.
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.
Udevil - Udevil is software that lets you mount a storage device and create a utility to control it with a ton of optimization options.
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.