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WinRAR flaw lets hackers run programs when you open RAR archives
(www.bleepingcomputer.com)
This is a most excellent place for technology news and articles.
It support zip, rar, 7z. Basically all archive formats. It has way better UI. It is open source. It is free in beer.
It is free as in speech. Your phrase refers to proprietary yet no cost software.
Free as in freedom is not a big argument for most people. But as in beer ๐