[chungy]

Another similar archive format is WIM, the thing created by Microsoft for the Windows Vista (and newer) installer; an open source implementation is at: https://wimlib.net/

It offers similar deduplication, indexing, per-file compression, and versioning advantages

[mrflop]

But it works only for Windows, right?

[chungy]

No, it works on many OSes. That's the point of linking to wimlib :)

It even supports Unix metadata!