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.

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

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

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

A massively spiffy yet delicately unobtrusive compression library.

Shareware utility. When compared to WinZip the most important advantage of WinAce is better compression.

High performance lossless image compression applications, utilities and libraries.

Offers downloads, support forums and registration for RAR compression tools.

Takes all the ZIP archives from one directory and extracts them to another one, allows you to handle more than one ZIP archive at once. Free open-source software for Win32.