Freeware: Gzip

Blazeware FreeFTP 3.0BlazewareFTP is a graphical File Transfer Protocol (FTP) client with integrated compression and archive utilities (Zip, Gzip , and Tar). It securely saves connection information for quick and easy connections.

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jZip 1.3jZip is a powerful and reliable compression utility which allows you to create, extract and manipulate Zip, RAR, TAR, Gzip , 7-Zip and other file archives.

Win-GZ v1.1\is a simple Gzip and gunzip compression utility.

muCommander 0.8 beta2muCommander is a lightweight, cross-platform file manager featuring a Norton Commander style interface and support for FTP, SFTP, SMB, HTTP(S), Email attachments, ZIP/Gzip/TAR archives, universal bookmarks, and is available in 11 languages.

Cocoazip 1.1Zip, Gzip , tar, and compress utility. CocoaZip is a free zip, Gzip , tar, and compress utility for all flavors of OS X.

Cocoazip 1.1Zip, Gzip , tar, and compress utility. CocoaZip is a free zip, Gzip , tar, and compress utility for all flavors of OS X.

MacGzip (PPC) 1.1.3Compress files to a smaller file size in the Gzip format . MacGzip is a compression tool for compressing files in the Gzip format. The program allows you to set the compression level and several other options.

TarPit 1.2\Create tar, Gzip , bzip2 archives. TarPit creates tar archives by drag-n-drop. Also has compression options using Gzip , BZip2, Compress (or none) with adjustable compression level.

TarPit 1.2\Create tar, Gzip , bzip2 archives. TarPit creates tar archives by drag-n-drop. Also has compression options using Gzip , BZip2, Compress (or none) with adjustable compression level.

GZipper X 1.2.7GZipper can Gzip all files dragged onto it, and will unzip already-gzipped files. What's New: Version 1.2.7 adds the following: GZipper now requires AppleScript 1.8.3.

7-Zip 4.327-Zip is a file archiver with the highest compression ratio. The program supports 7z, ZIP, RAR, CAB, ARJ, LZH, CHM, CPIO, RPM, DEB, Gzip , BZIP2, Z and TAR formats. Compression ratio in the new 7z format is 30-50% better than ratio in ZIP format.

7-zip++ 1.0.0.07-Zip is a file archiver predominantly for the Microsoft Windows operating system. It operates either as a command line program or with a graphical user interface. It also features integration with the Windows shell environment.

Simplyzip 1.1b15Simplyzip is a multi archiver in english and german at this time. Can open: ZIP,ACE,CAB,RAR,TAR, Gzip ,LZH,BZ2 UUE,XXE,BASE64 and ZIP-SFX,RAR-SFX,ACE-SFX. Create: ZIP,Cab,LHA,TAR,TAZ. And ZIP-SFX/ LHA-SFX and RAR-SFX UUE/XXE and Base64.

SharpZipLib 0.5SharpZipLib is a free, open-source compression library for .NET. It supports Zip, Gzip , Tar, and Bzip2, and also computes checksums.

ZipScan 2.2cZipScan searches archive files. It can search Zip, CAB, RAR, ACE, InstallShield CAB, JAR, TAR, Gzip and OpenOffice files, including password-protected, nested and self-extracting archives. Supports text searching. Can open and extract files.

Infozip Archive v1.0is a collection of Unix-style command line utilities for working with ZIP files. Files include Gzip , UNZIP, ZIP, FUNZIP and UNIPSFX. These are all 32-bit applications that support long filenames.

Infozip Archive v1.0is a collection of Unix-style command line utilities for working with ZIP files. Files include Gzip , UNZIP, ZIP, FUNZIP and UNIPSFX. These are all 32-bit applications that support long filenames.

Easy GZEasy-GZ is a compression tool which allows extremely tight compression and quick decompression. Based on the Gzip standard and optimized for the Macintosh platform, an easy-to-use, effective GZ compressor has finally been brought to the Mac OS.

Easy GZEasy-GZ is a compression tool which allows extremely tight compression and quick decompression. Based on the Gzip standard and optimized for the Macintosh platform, an easy-to-use, effective GZ compressor has finally been brought to the Mac OS.

TabMail 2.7E-mail client with: automatic attachments compression, message filtering, multi-account, SSL, PGP, anti-virus

InsideCAT Lite Edition 4.02Designed to catalogue all your PC disks (CDs, DVDs, CD-Audio, folders...) and find files in a fast way. 14 compressed&29 multimedia file formats supported. Photo thumbnails&EXIF. Five textual search types. CD/DVD label and covers designer.

WinBZip2 1.0.0Freeware file compression utility for Windows WinBZip2 is an small freeware utility for working with files produced by bzip2 utility (usually it's files with .bz2 extension) and also create such files.

BitSpirit 2.7BitSpirit is a powerful and easy-to-use BitTorrent client which provides not only full BitTorrent protocol implementation but also many personalization functions.

FIBS Firebird-Interbase Backup Scheduler 1.0.11FIBS is a lightweight, solid and fast scheduler so as to meet most backup-tasks-needs. It uses firebird/interbase command line tool gbak.

ArjFolder v3.60integrates with Windows Explorer to let you manage, create, and extract files from ARJ archives. ArjFolder installs as a Windows Shell Extension.

StuffIt Expander Windows 2009StuffIt Expander is free and available for download. Easily expand any compressed file you download from the Internet or receive attached to an email.

StuffIt Expander for Mac 2010StuffIt Expander 2010 is free and available for download. StuffIt Expander is your simple key to opening virtually every compressed or encoded file you download from the Internet or receive via email. Just drag, drop, and enjoy!

StuffIt Expander Windows 2010StuffIt Expander 2010 is free and available for download. StuffIt Expander is your simple key to opening virtually every compressed or encoded file you download from the Internet or receive via email. Just drag, drop, and enjoy!

StuffIt Expander for Mac 2011StuffIt Expander is free and available for download. StuffIt Expander is your simple key to opening virtually every compressed or encoded file you download from the Internet or receive via email. Just drag, drop, and enjoy!

Hamster Free Zip Archiver 1.1.0.11Hamster Free Zip Archiver is a new, absolutely free, file archiver which allows you to quickly and easily work with all types of archives. Supports all compression formats. Supports 40 languages.