ALSOFT - Makers of DiskWarrior.
A key detail for modern Mac users is that DiskWarrior cannot currently rebuild the startup disk of a Mac formatted with APFS (the default for all modern Macs with SSDs). It remains an industry leader for repairing HFS+ (Mac OS Extended) formatted external drives and older startup disks. Where to Get Official DiskWarrior ALSOFT - Makers of DiskWarrior
If you own an older version of DiskWarrior 5, the update to 5.3 is typically a free download for registered users. ALSOFT - Makers of DiskWarrior
The current release is DiskWarrior 5.3 , which was updated to support Apple Silicon (M1/M2/M3 chips). ALSOFT - Makers of DiskWarrior