Dzip
- Compact Windows compression program that creates small .DZ archive files. Integrates with Windows Explorer.
- http://speeddemosarchive.com/dzip/

Cabextract
- Portable UNIX decompressor for the Microsoft Cabinet (.CAB) format.
- http://www.kyz.uklinux.net/cabextract.php

Bzip2 and Libbzip2
- Patent free, high-quality data compressor for Windows or Unix.
- http://www.bzip.org/

ZipFree 2000
- ZIP tool with integrated virus check and integrated emailing for quick ZIP and send. Supports SFX creation and pre-extraction viewing.
- http://www.pepsoft.com/zipfree/intro.html

Zipfocus
- A small zip file reader for general use or restoring backups from floppy/flash/cd drive.
- http://www.skaro.net/zip-reader/

JustZIPit
- Small and simple contextual menu based zip program with full ZIP-64 huge-archive compression.
- http://free-backup.info/justzipit.html

Free WinZIP Alternatives
- A roundup and review of fully WinZIP-compatible freeware ZIP programs -- compared on the basis of usability.
- http://free-backup.info/free-winzip.html

FileCompress Uharc Gui
- A free Uharc 0.4 Gui with SFX and other features like preview of .uha file.
- http://filecompress.altervista.org/

WinBZip2
- A small GUI utility for working with files in bzip2 format, compressing, decompressing and testing the integrity of bzip2 files.
- http://www.irnis.net/soft/winbzip2/

WinGZip
- A small GUI utility for working with files in gzip format. It allows to compress any file into gzip format, decompress and test the integrity of already gzipped files.
- http://www.irnis.net/soft/wingzip/

Quick Zip
- Free zip compression utility for Windows, create, extract, and testing for zip archives.
- http://www.quickzip.org/

zipdiff
- An open source Java utility for comparing two zip files. Also suitable for JAR, EAR, WAR and RAR files.
- http://zipdiff.sourceforge.net/

ZIPGenius
- A full-featured ZIP program with SFX and ZIP-64 support. Also supports AES encryption 7-ZIP format and integrated image-viewing.
- http://www.zipgenius.it/

XStandard Zip Component
- ZIP or unzip a file or folder using a single line of code with this free component. [ActiveX DLL]
- http://www.xstandard.com/page.asp?p=C9891D8A-5390-44ED-BC60-2267ED6763A7

ZipItFast
- ZIP program with a skinned interface and full support for over 20 compression formats.
- http://zipitfast.com/

BigSpeed Zipper
- Compact ZIP tool with unusual features such as browsing ZIP files before downloading and full-text search of ZIP file contents.
- http://www.bigspeed.net/index.php?page=bszipper

EnZip
- Windows Explorer-integrated Zip program which can also build self-extracting archives with customized interfaces.
- http://website.lineone.net/~chris_m/

Gzip
- Open source command line data stream compressor and archiver.
- http://www.gzip.org/

Tugzip
- Free archiving utility with Windows integration, script support and ZIP-64 for huge archives. Website provides a free support forum.
- http://www.tugzip.com/

Cathonian Ventures Ltd - Zipfusion
- Flexible self-extractor, use with any zip tools that create type 0 (stored) and type 8 (deflate) format zip files. Feature a built-in configuration editor.
- http://www.skaro.net/zipfusion/

Zip 2 Secure EXE
- 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.
- http://www.chilkatsoft.com/ChilkatSfx.asp

WinImp
- 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.
- http://www.technelysium.com.au/winimp.html

StuffIt Expander
- Decompresses all files in any of the StuffIt formats. It will also decode single and multi-part BinHex files. [Win/Solaris/Linux/Mac]
- http://www.stuffit.com/expander

UltimateZip
- Supports a wide variety of archive types, creates self extracting archives, integrates with mail and virus scan, and integrates with Windows Explorer.
- http://www.ultimatezip.com/

MultiZipper
- Unzip program for Windows that doesn't prompt before overwriting files. Supports shell links, drag and drop, and command line.
- http://www.multizipper.com/

FreeZip
- Windows zip utility that prides itself on being small, fast and efficient.
- http://members.ozemail.com.au/~nulifetv/freezip/

ICEOWS
- Windows compression utility using the ARJ format (was called ArjFolder). Can extract, test, and view files stored in ZIP, GZIP, TAR, CAB, RAR, ACE, PK3, etc. and create SFX executables.
- http://www.iceows.com/HomePageUS.html