Most interesting in File Compression

Free
A Mac-friendly version of the compression suite.
Free
Access and manage various compressed archives.
Create and convert DMG files on your Mac computer.
Free
Create and extract archive files with just a few clicks.
Free
YemuZip is a utility that lets you create ZIP archives on your Mac.

Top rated in File Compression

ComicZipper
Free

ComicZipper offers a quick and easy way to create comic book archives.

Unrar Master
Free

Unrar Master is designed to decompress all common packages.

Zip Editor
Free

Edit and update ZIP archives with a plug-in for Eclipse.

HXTT XML
Free

Contains the only type 4 JDBC driver packages for XML documents.

Jar Ajar
Free

Self-extractor for ZIP files, where one file serves as an installer, launcher.

torrentexpander
Free

Perfect companion to the Transmission torrent client and Flexget.

RHash
Free

Console utility for computing and verifying hash sums of files.

bzip2
Free

Freely available, patent free, high-quality data compressor.

Sqeezer
Free

Squeezer compresses folders in the background using Snow Leopard's HFS-compression technology, reducing disk space without affecting file readability.

Express Zip Plus
Free

Create, view, and modify any file archives.

Astrotite 200X
Free

File storage, compression, decompression, encryption, secure file hiding.

Tiny Expander
Free

Powerful unarchiving utility that can open over 25 formats.

Zip Mac Files For a PC
Free

Create Windows-friendly ZIP archives.

Zip Express
Free

Free, no hassle software for Mac OS X that allows users to create, open, and modify Zip archives without unzipping them.

iArchiver
Free

Create, open & convert between DMGs, ZIPs, TARs and others.

KTar
Free

Utilities to compress in tar.bz2

Compact Pro

compression & expansion utility for cpt files

mkdmg

Command line disk imaging program

Fuse4X
Free

Fuse4X enables developers to create custom file systems for Mac OS X, allowing access to data stored locally, remotely, or in memory.

B1FreeArchiver
Free

Extract and create archives with support for a wide range of formats.