Open source command line data stream compressor and archiver.

Patent free, high-quality data compressor for Windows or Unix.

Presents this free, open source archiver featuring volume spanning, authenticated encryption and compression in several formats. Includes download links, documentation and a support forum.

Free archiving utility with Windows integration, script support and ZIP-64 for huge archives. Provides a free support forum.

Free zip compression utility for Windows, create, extract, and testing for zip archives.

Extracts ZIP, ARJ, RAR, TAR as well as higher-compression IMP format. Includes drag-and-drop capability and creation of custom SFX files which can launch a file after unpacking.

Windows zip utility that prides itself on being small, fast and efficient.

Portable, open source UNIX decompressor for the Microsoft Cabinet (.CAB) format.

Windows compression utility using the ARJ format (was called ArjFolder). Can extract, test, and view files stored in ZIP, GZIP, TAR, CAB, RAR, ACE, PK3, etc. and create SFX executables.

ZIP or unzip a file or folder using a single line of code with this free component. [ActiveX DLL]