The Unarchiver is a much more capable replacement for "Archive Utility.app", the built-in archive extraction program on Mac OS X.
Developed by Dag Ågren
Apps available for
Mac OS X
Compress files and folders to save size and easier transmission.
Decompress Or Extract Compressed Archives
Decompress or extract compressed archive files.
The Unarchiver is an Open Source Product.
Dag Ågren has developed The Unarchiver