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Plzip is a massively parallel (multi-threaded), lossless data compressor based on the LZMA algorithm, with very safe integrity checking and a user interface similar to the one of gzip or bzip2. Plzip uses the lzip file format; the files produced by plzip are fully compatible with lzip-1.4 or newer.

Bz2file is a Python library for reading and writing bzip2-compressed files. It contains a drop-in replacement for the file interface in the standard library's bz2 module, including features from the latest development version of CPython that are not available in older releases.

This module is a re-implementation aiming for speed instead of maximum compression, so it can be used at runtime (rather than during a preprocessing step). RCSSmin does syntactical compression only (removing spaces, comments and possibly semicolons). It does not provide semantic compression (like removing empty blocks, collapsing redundant properties etc). It does, however, support various CSS hacks (by keeping them working as intended).

Convert .rpm files to cpio format. Why does the world need another rpm2cpio? because the existing one won't build unless you have half a ton of things that aren't really required for it, since it uses the same library used to extract RPM's. This version is just a tiny wrapper around bsdtar.

The thunar-archive-plugin is a plugin for the Thunar File Manager, which adds archive operations to the file context menus. Using this plugin you will be able to extract and create archive files from within Thunar using a single click.

XArchive is a GTK+ front end for command line archiving tools such as tar, rar, zip, ace, 7zip, arj, and rpm. It uses external bash shell wrappers to handle the different types of file formats, so adding support for new archive types can be easily done by writing a wrapper.

XMill is a new tool for compressing XML data efficiently. It is based on a regrouping strategy that leverages the effect of highly-efficient compression techniques in compressors such as gzip. XMill groups XML text strings with respect to their meaning and exploits similarities between those text strings for compression. Hence, XMill typically achieves much better compression rates than conventional compressors such as gzip.

GPS Manager (GPSMan) is a graphical manager of GPS data that makes possible the preparation, inspection and edition of GPS data in a friendly environment. GPSMan supports communication and real-time logging with both Garmin and Lowrance receivers and accepts real-time logging information in NMEA from any GPS receiver.

The General Astrodynamics Library (GAL) is a numerical library for C and C++ programmers. It is free software under the GNU General Public License. The library provides a wide range of astrodynamical routines such as ephemerides, earth orientation, and orbit propagation. There are over 170 functions in total with an extensive test suit

This is a trivial program that displays the phase of the moon. It may help when you play a game that depends on the phase of the moon (nethack, nlith, etc.). It can also be used to calculate her...um, you figure this one out. ;)