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AdvanceCOMP is a collection of recompression utilities for your .ZIP archives .PNG snapshots .MNG video clips .GZ files The main features are: * Recompress ZIP, GZ, PNG and MNG files using the Deflate 7-Zip implementation * Recompress MNG files using Delta and Move optimization

This library is for working with ".tar" archive files. It can read and write a range of common variations of archive format including V7, USTAR, POSIX and GNU formats. It provides support for packing and unpacking portable archives. This makes it suitable for distribution but not backup because details like file ownership and exact permissions are not preserved.

The package com.ice.tar implements a tar archive io package. This package allows you to create, and extract tar archives. Since the package uses InputStream and OutputStream, it is possible to combine this package with the java.util.zip package to handle .tar.gz files.

Archive::Extract is a generic archive extraction mechanism. It allows you to extract any archive file of the type .tar, .tar.gz, .gz or .zip without having to worry how it does so, or use different interfaces for each type by using either perl modules, or command line tools on your system.

lzop is a file compressor which is very similar to gzip. It uses the LZO library for compression services and its main advantages over gzip are much higher compression and decompression speed (at the cost of some compression ratio). lzop is distributed under the terms of the GNU General Public License (GPL).

The macutils collection can handle a number of different Macintosh file formats including Binhex, MacBinary, AppleSingle and AppleDouble. There is also support for the Columbia Apple-talk Package. This package contains the following utilities: macunpack hexbin macsave macstream binhex tomac frommac Check out the man pages and /usr/local/share/doc/macutils (or equivalent on your system) for more information. Share and enjoy, Joel...

PEAR::File_Archive is strongly object oriented. It makes it very easy to use, writing simple code, yet the library is very powerful. It lets you easily read or generate tar, gz, tgz, bz2, tbz, zip, ar (or deb) archives to files, memory, mail or standard output. See http://poocl.la-grotte.org for a tutorial.

Parallel XZ is a compression utility that takes advantage of running LZMA compression of different parts of an input file on multiple cores and processors simultaneously. Its primary goal is to utilize all resources to speed up compression time with minimal possible influence on compression ratio.

Attic is a deduplicating backup program written in Python. The main goal of Attic is to provide an efficient and secure way to backup data. The data deduplication technique used makes Attic suitable for daily backups since only the changes are stored.

unmass is a tool to extract game archives. It supports the following archive types: Crimson Land, Baldur's Gate 2, Civilization 4, Doom (WADs), Dune 2, Etherlords 2, Final Fantasy 7 and 8, Flashpoint, Knights of Xentar, Metal Gear Solid (DARs), Moorhuhn 2 and 3, Megaman Legends, Oni, Operation Flashpoint, Princess Maker 2, Quake 1, RollCage, Swine, Unreal Tournament umods, Virtua Fighter bitmaps, MEA exe's, and some economy file formats.