Free Bzip2 Software

SharpZipLib by ComponentSpot

SharpZipLib is a free, open-source compression library for .NET. It supports Zip, Gzip, Tar, and Bzip2, and also computes checksums. The library currently lacks Zip file splitting/spanning, customizable self-extracting Zip files, and reading and writing directly to memory. It is ported from the GNU Classpath Zip library for Java. The library and source code is distributed under the GNU General Public License, with an exception.

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Zipeg by www.zipeg.com

Zipeg is free utility for Mac OS X and Windows. Zipeg allows you to quickly and easily open and explore content of zip, rar and other archives, preview files and images before you extract/unzip them. Extract only the files you want. Pictures come to your mailbox as zip archives? Zipeg allows you to decide what do you want to extract. You can choose what to extract and where to put extracted files or just drag and drop them.

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7-Zip by Igor Pavlov

7-Zip is a file archiver with the highest compression ratio. The program supports 7z, ZIP, RAR, CAB, ARJ, CPIO, RPM, DEB, GZIP, BZIP2 and TAR formats. Compression ratio in the new 7z format is 30-50% better than ratio in ZIP format. Also 7-Zip compresses to ZIP 2-10% better than PKZip and WinZip. 7-Zip has additional powerful command line version and FAR Manager support.

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zlib by ComponentSpot

Zlib is a free general-purpose data-compression library. Integrity checks performed with the CRC-32 or the ADLER 32 checksums. In-memory operations use the zlib compressed data format (RFC 1950). Deflate (RFC 1951) is used for its compression algorithm. Typical compression ratios are between 2:1 and 5:1. The gzip format, RFC 1952, is supported for compressing files on a file system. Lacks support for PKZip 4.5, BZip2, and Deflate64.

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