46 sites in Data Compression
7-Zip
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Command-line and Windows shell utility for manipulating ZIP archives. Supported formats: ZIP, CAB, RAR, GZIP and TAR.
http://www.7-zip.org/
FilZip 2000
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Free application to handle a variety of archive file formats, including .ace, .arc. arj, .cab, .gz, .lha, .jar, .rar, .tar and of course .zip. (Win 9x/NT/2000/Me)
http://www.filzip.com/
Hifn Inc.
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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).
http://www.hifn.com/
Maximum Compression
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Aims to show the maximum achievable compression ratio for several filetypes (text, executable). The best 80-100 programs for every filetype are shown in a table indicating compression ratio and switches/options used to achieve that compression.
http://www.maximumcompression.com/
QuikCAT Technologies
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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.
http://www.quikcat.com
Tomeraidit
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Creates compressed TomeRaider files, allows unsurpassed text compression (45%-60%), plus TR files are portable between platforms of Windows, PDA (palm, pocket PC or psion)
http://www.tomeraidit.com/
WarpZip
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Data compression utility for the OS/2 family of operating systems. Extensive drag and drop implementation and speech enabled utility that deals with "zip" and OS/2 "packed" archive formats.
http://www.pillarsoft.net/
WinAce
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Relative new though already used on many sites. When compared to WinZip the most important advantage of WinAce is better compression.
http://www.winace.com
WinZip
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WinZip is a windows data compression utility that focuses on the Zip data compression format for windows users. It took the lead from PKZIP when windows was introduced.
http://www.winzip.com
ZipMail
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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.
http://www.notes-compression.com/
Zzip
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A compression tool under GPL. Zzip compression algorithm is mainly based on the Burrows-Wheeler Transform method developped by Mike Burrows and David Wheeler.
http://debin.org/zzip/
Forum - Usenet comp.compression
See also
The category Data Compression in other languages