The Unarchiver
The Unarchiver is a free data decompression frontend of libxad, which supports more formats than Archive Utility (formerly known as BOMArchiveHelper), the built-in archive unpacker program in Mac OS X. It can also handle filenames in foreign character sets, created with non-English versions of other operating systems. The latest version requires Mac OS X v10.3.9 or higher.
Supported formats
ZIP
RAR
7z
LHA
StuffIt (.sit)
BinHex (.hqx)
MacBinary (.bin)
Gzip (.gz)
Bzip2 (.bz2, .tar.bz2, .tbz2, .tb2)
Tar
GNU Tar (.gtar)
Unix Compress (.z)
Unix Compress Tar (.taz, .tar-z)
CAB
Comic Book (.cbz, .cbr)
RPM
DiskDoubler
Self-Extracting Archive (.sea)
Windows Self-Extracting (.exe)
CPIO
Pax (.pax)
HA (.ha)
Amiga Disk File
Amiga DMS Disk Archive (.dms)
Amiga LhF (.f)
Amiga LZX (.lzx)
Amiga DCS Disk Archive (.dcs)
Amiga PackDev Disk Archive (.pkd)
Amiga xMash Disk Archive (.xms)
Amiga Zoom Disk Archive (.zom)
The Unarchiver 1.6.1 New Features :
Leopard compatibility fixes.
The Unarchiver 1.6 New Features :
Fixed a bug that caused password-protected Zip archives to fail to extract.
Added support for zip archives created by ZipIt.
Added a Dutch localization by Jonathan.
Fixed a rare RAR bug, and some GUI quirks.
Comparison of file archivers :
The Unarchiver VS. WinRAR
The Unarchiver can not supprot Data compression ,Shell integration,Self extraction, File repairing.
The Unarchiver can read SIT, ARC,but WinRAR cann't.
The Unarchiver VS. StuffIt
The Unarchiver can not supprot Data compression ,Shell integration,Self extraction, File repairing.
The Unarchiver can read ACE,ARC, CAB, but StuffIt cann't.
Software related to The Unarchiver for Mac :
StuffIt For Mac
StuffIt For Mac makes it easy to access any download or attachment and to send files that transfer quickly and securely
Info-Zip
The "zip" and "unzip" programs included with most Linux and Unix distributions are Info-ZIP's Zip and Unzip programs.
Software related to The Unarchiver for Windows :
Squeez
Squeez 5.60.4930 Squeez is a very fast program for file compression and supports 13 different compression algorithms.
Zipstar
Zipstar 5.60.4930 ZipStar is a free archiving application for home users.
WinRAR
WinRAR 3.71 Final RAR (WinRAR), the powerful archiver and archive manager (Win32, Linux, Mac).