Free, portable compression and extraction utilities for archives compressed in .zip format. Discussion forum, source code, and binaries for several platforms.

Software house in Germany, with compression products for mainframe, midrange and mini systems.

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 co...

Free LZW file compressor mainly used for compressing and extracting tar.Z archives, released as source code. For UNIX systems.

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.

A support site for RAR and WinRAR archivers.

Companion tool for WinRAR for preserving NTFS alternate streams.

A ZIP File Manager that runs on a Web server and has a browser based interface.

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.

E-Space, compression software for online archiving and disk space management.