Попробуй Springy http://macupdate.com/info.php/id/22103
Springy supports the following file types: ZIP, TAR, TAR compressed with GZIP, BZIP2 and Unix Compress methods, plain GZIP, BZIP2 and Unix Compress compression, RAR and SIT. Java archives JAR, WAR and EAR are also supported. Future releases will include support for more archive formats.
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