The Unarchiver - Get the top application for archives on Mac. It's a RAR extractor, it allows you to unzip files, and works with dozens of other formats.
Bandizip - Bandizip : All-In-One Free Zip Archiver. Bandizip is a lightweight, fast and free All-In-One Zip Archiver.
zpaq - Incremental Journaling Backup Utility and Archiver
FreeArc - FreeArc is a free and open source file archiver developed by Bulat Ziganshin.
9 ZIP - 9 Zip makes it easy to compress and decompress the Zip file.
atool - atool is a script for managing file archives of various types (tar, tar+gzip, zip etc)