> OmniDiskSweeper is a Mac OS X utility for quickly finding and
> deleting big, useless files and thus making space on your hard
> disks. OmniDiskSweeper makes this easy by highlighting the biggest
> files on your disks, and by noting which files are used by the
> system, so you don't accidentally delete important files.

DL #1:  v. 1.0 for Mac OS X 10.0, dated 2001

DL #2 - #5:  v. 1.2, 1.3, 1.3.1, 1.4 for Mac OS X 10.1 at least

DL #6:  v. 1.5 for Mac OS X 10.3.9 at least. This is the first
Universal Binary version.

DL #7:  v. 1.5.2 for Mac OS X 10.4

DL #8:  v. 1.7.2 for Mac OS X 10.4 & 10.5

DL #9:  v. 1.8 for Mac OS X 10.6 & 10.7 (Intel)

DL #10:  v. 1.9 for Mac OS X 10.8 - 10.11, dated 2013

Later versions can be downloaded from [Omni Labs][1]

Registration Information
Name: Serial Box
Licence Key: GSPA-RULN-FTND-VSAA-EYNT

Versions 1.7 and later do not require registration as they are free.

Compatibility
Architecture: PPC x86 (Intel:Mac)

  [1]: https://www.omnigroup.com/more