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.

A support site for RAR and WinRAR archivers.

German site for WinRar.

Relative new though already used on many sites. When compared to WinZip the most important advantage of WinAce is better compression.

Command-line and Windows shell utility for manipulating ZIP archives. Supported formats: ZIP, CAB, RAR, GZIP and TAR.

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)

Downloads, Support, Tips, Tricks and Tools. The RAR format, like the other newer formats (bZip, and SIT) compresses files better than the popular, but older Zip algorithm.

A massively spiffy yet delicately unobtrusive compression library.

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

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).

Makers of Zip and Unzip data compression controls for Windows developers that use ActiveX, OCX, VBX and DLLs.

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.

COM objects to Zip and Unzip files.

A set of benchmarks designed to show the state of the art in lossless data compression, by Jeff Gilchrist.

New patent pending data compression methods. FlyZip XR data compression utility for Palm OS.

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.

Free Zip/Unzip utility. CoffeeCup Free Zip Wizard has built-in E-mail and FTP functions, so you can Zip and send your files in one easy step.

Lossless compression for photoquality images. Cross-platform. SDK. Free reader.

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.

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

Delivers cross-platform data compression for data transfer, archiving, and retrieval.Part of the CoSORT family of sort and data manipulation solutions.