FreeDMG

Drag and drop disk imaging on the fly

Quickly decompress images in a wide range of formats including ZIP, RAR, TAR, and ISO

Enjoy the benefits of better file compression and decompression with this useful program

A compression and decompression tool for Mac that supports a wide variety of different file types

Allows users to unarchive files in a variety of traditional formats like zip and rar

This utility can disassemble and put together ZIP, RAR and ZIPX archives on-the-fly

Take existing files and compress or decompress them in the 7z format with little hassle