Asa cum spune numele, aplicatia este gratuita si o gasiti aici http://www.kekaosx.com/en/
keka tries to be the easiest and quickest archiver for Mac.
keka is a free file archiver for Mac OS X
Compression formats supported:
7z, Zip, Tar, Gzip, Bzip2
Extraction formats supported:
RAR, 7z, Lzma, Zip, Tar, Gzip, Bzip2, ISO, EXE, CAB, PAX, ACE (PPC)
Are si context menu dar are si o lipsa: la dezarhivare nu te lasa sa creezi un folder nou in care sa trimiti fisierele.