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Full user review
Catalogs the contents of your discs, including contents inside of archives like ZIP and SIT.
The catalogs work on Mac and PC (On PC you use the CDWinder version of the app). You can put the catalogs on a server, and you're set.
Can't really think of any.
The main thing is that it's cross-platform. It is reasonably lightweight and it gives you the ability to search all of your backups without having to physically touch or load your discs.
If you do backups, this is a great tool!