StuffIt Expander 2011 is free and available for download. It easily expands and decodes any compressed file you download from the Internet or receive attached to an email. It expands StuffIt archives, unzips Zip files (created by WinZip or other zip utilities) and decompresses Unix's .tar, .gzip and .bzip files.
Expander works seamlessly with your favorite browsers like Safari, Firefox and more. From BinHex to Zip, StuffIt to MIME, Expander accesses more formats in less time with zero hassles! Just drag, drop and enjoy!
Support for Mac OS X 10.6 Snow Leopard as well