Windows Explorer-integrated Zip program which can also build self-extracting archives with customized interfaces.

This ZIP utility supports a huge number of compression formats including 7-ZIP. Also has AES encryption and a skinnable interface.

Free archiving utility with Windows integration, script support and ZIP-64 for huge archives. Website provides a free support forum.

Windows compression utility using the ARJ format. Can extract, test, and view files stored in ZIP, GZIP, TAR, CAB, RAR, ACE, PK3, and other formats.

An open source Java utility for comparing two zip files. Also suitable for JAR, EAR, WAR and RAR files.

CHAOS Self Extractor helps you to create self-extracting archives.

A roundup and review of fully WinZIP-compatible freeware ZIP programs -- compared on the basis of usability.

Encoding for Amigas that uses large match offsets and file merging.

Extracts ZIP, ARJ, RAR, TAR as well as higher-compression IMP format. Includes drag-and-drop capability and creation of custom SFX files which can launch a file after unpacking.

Patent free, high-quality data compressor for Windows or Unix.

A full-featured ZIP program with SFX and ZIP-64 support. Also supports AES encryption 7-ZIP format and integrated image-viewing.

Compact Windows compression program that creates small .DZ archive files. Integrates with Windows Explorer.

Open source command line data stream compressor and archiver.

Decompresses all files in any of the StuffIt formats. It will also decode single and multi-part BinHex files. [Win/Solaris/Linux/Mac]

Utility to convert any ZIP file into a self-extracting executable. Supports AES encryption, can unpack automatically to a temporary directory and run a setup.exe after extraction.