B68zip

: Because the algorithm has a wider context to find redundancies, the final file size is significantly smaller than a standard ZIP.

: To extract a single file at the end of a solid block, the software must decompress everything before it in that block. B68zip

: Since files are grouped into a single block, it is much harder for someone to see individual filenames or metadata without the proper password (if the header is encrypted). The Cons: The Trade-offs : Because the algorithm has a wider context