Open Directory - Computers: Software: Data Compression
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  • WinZip - Windows data compression utility that supports zip, TAR, gzip, BinHex, and MIME. ARJ, LZH, and ARC formats. Includes ZipSend file delivery web service and ZipShare Facebook app.
  • 1StepUnzip - Easy to use shareware tool for unzipping and installing your downloaded Internet files.
  • 7-Zip - Open source Windows utility for manipulating archives. Formats 7z, ZIP, GZIP, BZIP2 and TAR are supported fully, other formats can be unpacked.
  • ARC - File archiving and compression utility developed by Thom Henderson and which was popular before zip became predominant in the nineties.
  • ARJ Software - Offers file compression utilities using the ARJ format for 32 and 64 bit versions of Windows.
  • Archive Comparison Test - A set of benchmarks designed to show the state of the art in lossless data compression, by Jeff Gilchrist.
  • Automatic File Archiver by JSPayne - Does automatic archiving and backup of recently modified.
  • BitJazz Inc. - Lossless compression for photoquality images. Cross-platform. SDK. Free reader.
  • CAM UnZip - Free zip file utility for opening or creating ZIP archives. Supports password protection.
  • CoffeeCup Zip Wizard - Free Zip and Unzip utility including Zip Wizard that has built-in e-mail and FTP functions allowing files be compressed and sent in a single step.
  • FilZip - Free and simple to use Windows application that handles a variety of archive file formats, including .ace, .arc, .arj, .cab, .gz, .lha, .jar, .rar, .tar and of course .zip.
  • GZIPSite Website Compression - Tool that can help you make static HTML websites run 50% faster and save 50-80% of the bandwidth.
  • Hifn Inc. - Designs, develops, and markets compression processors, encryption/compression processors, and software which provide alternatives for the implementation of high performance networks and tape storage devices. (Nasdaq: HIFN).
  • Info-ZIP - Free, portable compression and extraction utilities for archives compressed in .zip format. Discussion forum, source code, and binaries for several platforms.
  • JET-Software - Software house in Germany, with compression products for mainframe, midrange and mini systems.
  • Maximum Compression - Aims to show the maximum achievable lossless data compression ratio for several filetypes (text, executable, bmp). The best 150+ programs for every filetype are shown in a table indicating compression ratio and switches/options used to achieve that compression.
  • P7ZIP - A command line port of the 7zip utility to Unix, Mac OS X and BeOS.
  • PKWARE - PKZIP is the original security and compression utility for Windows desktop, server, IBM OS and Linux. Offers 30 day free trial period.
  • QccPack - Quantization, Compression, and Coding Library. C source code freely available.
  • QuikCAT Technologies - Specializing in data compression software technologies for wireless transmission, Internet acceleration, Microsoft Exchange and Lotus Notes E-mail acceleration, and PDA video conferencing, using cellular automata transforms.
  • RAR/WinRAR support site - A support site for RAR and WinRAR archivers.
  • RICAZip - High performance lossless image compression applications, utilities and libraries.
  • Rarissimo - Companion tool for WinRAR for preserving NTFS alternate streams.
  • Smacker Video Technology - A compressor for video, animation and sound data includes video compression with twice the video quality and now uses the Bink audio codec for perceptually lossless 8 to 1 compression.
  • SolutionSoft Systems, Inc. - E-Space, compression software for online archiving and disk space management.
  • StuffIt - Creates and expands 25 different files including Stuffit, ZIP, SIT, RAR, MIME on Windows, Macintosh, and Unix.
  • USENET Compression FAQ - This URL takes you to a compression FAQ that explains compression to technical people as well as describing the various programs, and what they do to users.
  • Video Compression Components - Third-party video compression software components for programmers.
  • WinAce - Shareware utility. When compared to WinZip the most important advantage of WinAce is better compression.
  • Xceed Software Inc. - Makers of Zip and Unzip data compression controls for Windows developers that use ActiveX, OCX, VBX and DLLs.
  • ZBit Inc. - COM objects to Zip and Unzip files.
  • ZipMail - Compression for Lotus Notes, that automatically compresses attached files into ZIP files or self-extracting files. Features full integration with the Lotus Notes email client software.
  • Zipsearch - Zipsearch is shareware to search compressed zip archives for files inside archives. The program finds text strings within the files for viewing and changes.
  • Zzip - A compression tool under GPL. Zzip compression algorithm is mainly based on the Burrows-Wheeler Transform method developed by Mike Burrows and David Wheeler.
  • ncompress - Free LZW file compressor mainly used for creating tar.Z archives, released as source code. For UNIX systems.
  • rzip - Open source utility for Unix, similar in functionality to gzip or bzip2, but able to take advantage of long distance redundancies in files, which can sometimes produce better compression.
  • x-PRESS - Delivers cross-platform data compression for data transfer, archiving, and retrieval.Part of the CoSORT family of sort and data manipulation solutions.
  • zlib - A massively spiffy yet delicately unobtrusive compression library.
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Last update: Tuesday, February 21, 2012 1:12:36 PM EST - edit
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