Free Compression Library 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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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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ZLIB.NET by ComponentAce

100% managed version of ZLIB compression library. Full C# source code is included.

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ZipForge by ComponentAce

Fast ZIP compression library. ZipForge Personal is free for personal use. No DLLs, SFX, repair, encryption, Zip64, splitting and multi-spanning support

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