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I also lost my trust into zlib recently, given that the current released version is full of bugs, and the current master is written horribly. Not as bad as openssl, but close. E.g. they are still using K&R sigs, wrong casts, and have several copy&paste bugs which you only detect with a stricter c++ compiler.

for just decompression, unarchiver has free software implementation of unrar. for compression, use command line (tar -J, zip, whatever) or file roller.

Libarchive (sometimes known as bsdtar) supports 7z with an independent implementation.

I think he means an open source unarchiver that works on windows. Obviously Linux and bad have tar/gz/bz2 etc

What are your criteria? I moved to Bandizip a few months back and it covers all of my requirements quite well.

PeaZip is pretty good and is FOSS

> PeaZip is free file archiver utility, based on Open Source technologies of 7-Zip, p7zip, FreeArc, PAQ, and PEA projects.

It seems to use 7-Zip and/or p7zip binaries.

p7zip was also patched. 18.00 doesn't have the bug, but it looks like Peazip hasn't been updated with it.

I'm not sure what other FOSS alternative to use. BandiZip is free (as in beer) but doesn't seem to have an update since Sept, so if it uses p7zip under the hood for 7z, it's also vulnerable.