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

Open source command line data stream compressor and archiver.

Decompresses all files in any of the StuffIt formats. It will also decode single and multi-part BinHex files. [Win/Solaris/Linux/Mac]

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

Small and simple contextual menu based zip program with full ZIP-64 huge-archive compression.

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

Supports a wide variety of archive types, creates self extracting archives, integrates with mail and virus scan, and integrates with Windows Explorer.

Compact Windows compression program that creates small .DZ archive files. Integrates with Windows Explorer.

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.

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

A small GUI utility for working with files in bzip2 format, compressing, decompressing and testing the integrity of bzip2 files.

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.

Utility to convert any ZIP file into a self-extracting executable. Supports AES encryption, can unpack automatically to a temporary directory and run a setup.exe after extraction.

ZIP program with a skinned interface and full support for over 20 compression formats.

Compact ZIP tool with unusual features such as browsing ZIP files before downloading and full-text search of ZIP file contents.

Flexible self-extractor, use with any zip tools that create type 0 (stored) and type 8 (deflate) format zip files. Feature a built-in configuration editor.

Unzip program for Windows that doesn't prompt before overwriting files. Supports shell links, drag and drop, and command line.

An open source Java utility for comparing two zip files. Also suitable for JAR, EAR, WAR and RAR files.

ZIP tool with integrated virus check and integrated emailing for quick ZIP and send. Supports SFX creation and pre-extraction viewing.

A full-featured ZIP program with SFX and ZIP-64 support. Also supports AES encryption 7-ZIP format and integrated image-viewing.