Links
WinZip
Windows and Mac 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.
Details...7-Zip
Open source Windows utility for manipulating archives. Formats 7z, ZIP, GZIP, BZIP2 and TAR are supported fully, other formats can be unpacked.
Details...Archive Comparison Test
A set of benchmarks designed to show the state of the art in lossless data compression, by Jeff Gilchrist.
Details...ARJ Software
Offers file compression utilities using the ARJ format for 32 and 64 bit versions of Windows.
Details...BitJazz Inc.
Lossless compression for photoquality images. Cross-platform. SDK. Free reader.
Details...CAM UnZip
Free zip file utility for opening or creating ZIP archives. Supports password protection.
Details...PKWARE
PKZIP is the original security and compression utility for Windows desktop, server, IBM OS and Linux. Offers 30 day free trial period.
Details...RAR/WinRAR support site
A support site for RAR and WinRAR archivers.
Details...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.
Details...Video Compression Components
Third-party video compression software components for programmers.
Details...Xceed Software Inc.
Makers of Zip and Unzip data compression controls for Windows developers that use ActiveX, OCX, VBX and DLLs.
Details...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.
Details...zlib
A massively spiffy yet delicately unobtrusive compression library.
Details...