afio
- Ebuilds: 1, Stable: 2.5.2, Testing: 2.5.2 Description:
Afio makes cpio-format archives. It deals somewhat gracefully
with input data corruption, supports multi-volume archives during interactive
operation, and can make compressed archives that are much safer than compressed
tar or cpio archives. Afio is best used as an 'archive engine' in a backup
script.
Homepage:https://github.com/kholtman/afio License: Artistic LGPL-2
atool
- Ebuilds: 1, Stable: 0.39.0-r1, Testing: 0.39.0-r1 Description: Script for managing file archives of various types
Homepage:https://www.nongnu.org/atool/ License: GPL-2+
brotli
- Ebuilds: 5
Description:
Brotli is a generic-purpose lossless compression algorithm that
compresses data using a combination of a modern variant of the
LZ77 algorithm, Huffman coding and 2nd order context modeling,
with a hight compression ratio. It is similar in speed with
deflate but offers denser compression.
Homepage:https://github.com/google/brotli/ License: MIT python? ( Apache-2.0 )
bzip2
- Ebuilds: 2, Stable: 1.0.8-r5, Testing: 1.0.8-r5 Description: A high-quality data compressor used extensively by Gentoo Linux
Homepage:https://sourceware.org/bzip2/ License: BZIP2
bzip3
- Ebuilds: 1, Stable: 1.5.3, Testing: 1.5.3 Description:
A better, faster and stronger spiritual successor to BZip2. Features higher
compression ratios and better performance thanks to a order-0 context
mixing entropy coder, a fast Burrows-Wheeler transform code making use of
suffix arrays and a RLE with Lempel Ziv+Prediction pass based on LZ77-style
string matching and PPM-style context modeling.
Like its ancestor, BZip3 excels at compressing text or code.
Homepage:https://github.com/kspalaiologos/bzip3/
cfv
- Ebuilds: 2, Testing: 3.2.0 Description:
cfv is a utility to test and create a wide range of checksum
verification files. It currently supports testing and creating sfv,
sfvmd5, csv, csv2, csv4, md5, bsdmd5, sha1, sha224, sha256, sha384,
sha512, torrent and crc files. Test-only support is available for par,
par2.
Homepage:https://github.com/cfv-project/cfv/ License: GPL-2+ MIT
duff
- Ebuilds: 1, Testing: 0.5.2 Description: Command-line utility for quickly finding duplicates in a given set of files
Homepage:http://duff.sourceforge.net/ License: ZLIB
gnome-autoar
- Ebuilds: 1, Stable: 0.4.5, Testing: 0.4.5 Description:
gnome-autoar provides functions, widgets, and gschemas for GNOME applications which want to use archives as a method to transfer directories over the Internet.
Homepage:https://gitlab.gnome.org/GNOME/gnome-autoar License: LGPL-2.1+
innoextract
- Ebuilds: 1, Stable: 1.10_pre20250206-r1, Testing: 1.10_pre20250206-r1 Description: A tool to unpack installers created by Inno Setup
Homepage:https://constexpr.org/innoextract/ License: ZLIB
lbzip2
- Ebuilds: 1, Stable: 2.5_p20181227-r3, Testing: 2.5_p20181227-r3 Description:
A multi-threaded bzip2/bunzip2 utility that employs multiple threads and an
input-bound splitter even when decompressing .bz2 files created by standard
bzip2
Homepage:https://github.com/kjn/lbzip2/ License: GPL-3
libpar2
- Ebuilds: 1, Stable: 0.4-r1 Description: A library for par2, extracted from par2cmdline
Homepage:https://launchpad.net/libpar2/ License: GPL-2
lrzip
- Ebuilds: 2, Stable: 0.651-r1, Testing: 0.651-r1 Description:
This is a compression program optimised for large files. The larger the
file and the more memory you have, the better the compression advantage
this will provide, especially once the files are larger than 100MB.
The advantage can be chosen to be either size (much smaller than bzip2)
or speed (much faster than bzip2).
Homepage:https://github.com/ckolivas/lrzip License: GPL-2
lrzip-next
- Ebuilds: 2, Testing: 9999 Description:
A fork of Con Kolivas' 'lrzip' program that is actively maintained. Lrzip
is a compression program optimised for large files. The larger the file and
the more memory you have, the better the compression advantage this will
provide, especially once the files are larger than 100MB. The advantage can
be chosen to be either size (much smaller than bzip2) or speed (much faster
than bzip2).
Homepage:https://github.com/pete4abw/lrzip-next
lz5
- Ebuilds: 1, Testing: 2.0-r1 Description: An efficient compressor with very fast decompression
Homepage:https://github.com/inikep/lz5 License: GPL-2 BSD-2
lzip
- Ebuilds: 2, Stable: 1.25, Testing: 1.26 Description: Lossless data compressor based on the LZMA algorithm
Homepage:https://www.nongnu.org/lzip/lzip.html License: GPL-2+
lziprecover
- Ebuilds: 2, Stable: 1.25, Testing: 1.26 Description:
Lziprecover is a data recovery tool and decompressor for files in the lzip
compressed data format (.lz), able to repair slightly damaged files,
recover badly damaged files from two or more copies, extract data from
damaged files, decompress files and test integrity of files.
The lzip file format is designed for long-term data archiving. It is clean,
provides very safe 4 factor integrity checking, and is backed by the
recovery capabilities of lziprecover.
Lziprecover is able to recover or decompress files produced by any of the
compressors in the lzip family; lzip, plzip, minilzip/lzlib, clzip and
pdlzip.
Lziprecover makes lzip files resistant to bit-flip (one of the most common
forms of data corruption), and can safely merge multiple damaged backup
copies.
If the cause of file corruption is damaged media, the combination GNU
ddrescue + lziprecover is the best option for recovering data from multiple
damaged copies.
If a file is too damaged for lziprecover to repair it, all the recoverable
data in all members of the file can be extracted with the '-D' option.
Lziprecover is able to efficiently extract a range of bytes from a
multi-member file, because it only decompresses the members containing the
desired data.
Lziprecover can print correct total file sizes and ratios even for
multi-member files.
When recovering data, lziprecover takes as arguments the names of the
damaged files and writes zero or more recovered files depending on the
operation selected and whether the recovery succeeded or not. The damaged
files themselves are never modified.
When decompressing or testing file integrity, lziprecover behaves like lzip
or lunzip.
To give you an idea of its possibilities, when merging two copies, each of
them with one damaged area affecting 1 percent of the copy, the probability
of obtaining a correct file is about 98 percent. With three such copies the
probability rises to 99.97 percent. For large files (a few MB) with small
errors (one sector damaged per copy), the probability approaches 100 percent
even with only two copies.
Lziprecover is not a replacement for regular backups, but a last line of
defense for the case where the backups are also damaged.
Homepage:https://www.nongnu.org/lzip/lziprecover.html License: GPL-2+
p7zip
- Ebuilds: 1, Stable: 17.05-r2, Testing: 17.05-r2 Description: Port of 7-Zip archiver for Unix
Homepage:https://github.com/p7zip-project/p7zip License: LGPL-2.1 rar? ( unRAR )
pack
- Ebuilds: 1, Testing: 0.0.0.1 Description: Haskell implementation of pack compression from the early 1980s
Homepage:https://github.com/koalaman/pack/ License: public-domain
pigz
- Ebuilds: 1, Stable: 2.8, Testing: 2.8 Description:
pigz, which stands for parallel implementation of gzip,
is a fully functional replacement for gzip that exploits
multiple processors and multiple cores to the hilt when compressing data.
Homepage:https://www.zlib.net/pigz/ License: ZLIB
pure-sfv
- Ebuilds: 1, Stable: 0.3-r2, Testing: 0.3-r2 Description: utility to test and create .sfv files and create .par files
Homepage:https://pure-sfv.sourceforge.net/ License: GPL-2
pxz
- Ebuilds: 1, Stable: 5.0_pre20220509-r1, Testing: 5.0_pre20220509-r1 Description:
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.
Homepage:https://jnovy.fedorapeople.org/pxz/ License: GPL-2
qpress
- Ebuilds: 1, Testing: 20220819 Description: A portable file archiver using QuickLZ algorithm
Homepage:https://github.com/PierreLvx/qpress License: GPL-1 GPL-2 GPL-3
snappy
- Ebuilds: 3, Stable: 1.2.2-r1, Testing: 1.2.2-r1, 1.2.2 Description: Snappy is a compression/decompression library.
It does not aim for maximum compression, or compatibility with any
other compression library; instead, it aims for very high speeds and
reasonable compression.
Homepage:https://github.com/google/snappy License: BSD
stenc
- Ebuilds: 2, Testing: 2.0.1 Description: SCSI Tape Encryption Manager - Manages encryption on LTO
tape drives with hardware-based encryption (LTO-4 and later).
This program should work on any other SSP capable tape drives.
Supports key change auditing and key descriptors (uKAD).
Homepage:https://github.com/scsitape/stenc/ License: GPL-2
tar
- Ebuilds: 1, Stable: 1.35, Testing: 1.35 Description: Use this to make tarballs :)
Homepage:https://www.gnu.org/software/tar/ License: GPL-3+
tardelta
- Ebuilds: 1, Testing: 1.0.1-r1 Description: Generate a tarball of differences between two tarballs
Homepage:https://github.com/zmedico/tardelta License: Apache-2.0
torrentzip
- Ebuilds: 1, Stable: 1.3 Description:
Torrentzip converts zip archives to a standard format with some
pre-defined values, sorting the files, and using particular
compression settings so that running it on zip archives created
by other tools will always result in the same output. This helps
e.g. with sharing zip archives using BitTorrent (which is where
the name comes from).
Homepage:https://github.com/0-wiz-0/trrntzip License: GPL-2+ ZLIB
unrpa
- Ebuilds: 1, Testing: 2.3.0-r1 Description:
Unrpa is a script to extract files from archives created for
the Ren'Py Visual Novel Engine (http://www.renpy.org/)
Homepage:https://github.com/Lattyware/unrpa License: GPL-3
upx
- Ebuilds: 2, Stable: 4.2.4, Testing: 5.1.0 Description: Ultimate Packer for eXecutables (free version using UCL compression and not NRV)
Homepage:https://upx.github.io/ License: GPL-2+ UPX-exception
upx-bin
- Ebuilds: 2, Stable: 4.2.4, Testing: 5.1.0 Description: Ultimate Packer for eXecutables, binary version with proprietary NRV compression
Homepage:https://upx.github.io/ License: GPL-2+ UPX-exception
wimlib
- Ebuilds: 1, Stable: 1.14.4-r1 Description: The open source Windows Imaging (WIM) library
Homepage:https://wimlib.net License: || ( GPL-3+ LGPL-3+ ) MIT
xar
- Ebuilds: 1, Stable: 1.8.0.0.498-r1, Testing: 1.8.0.0.498-r1 Description:
The XAR project aims to provide an easily extensible archive format.
Important design decisions include an easily extensible XML table of
contents for random access to archived files, storing the toc at the
beginning of the archive to allow for efficient handling of streamed
archives, the ability to handle files of arbitrarily large sizes, the
ability to choose independent encodings for individual files in the
archive, the ability to store checksums for individual files in both
compressed and uncompressed form, and the ability to query the table of
content's rich meta-data.
Homepage:https://github.com/apple-oss-distributions/xar License: BSD-2
xarchiver
- Ebuilds: 1, Stable: 0.5.4.26, Testing: 0.5.4.26 Description: A GTK+ archive manager that can be used with Thunar
Homepage:https://github.com/ib/xarchiver/ License: GPL-2
xdms
- Ebuilds: 1, Stable: 1.3.2-r2, Testing: 1.3.2-r2 Description:
Supports decompression of files compressed using all known DMS compression modes, including old and obsolete ones, and also encrypted files, for 100% compatibility.
Can test DMS files integrity, view file informations and show attached Banners and FILEID.DIZ .
Can generate standard disk images and compressed disk images, using gzip, if you want to store your files in ADF or ADZ formats.
Can extract the files contained inside the DMS archives, if the compressed disk is an AmigaDOS disk, using readdisk made by Bernd Schmidt.
Can process multiple files in batch with a single command, and also use stdin and stdout for input and output of data.
Homepage:https://zakalwe.fi/~shd/foss/xdms License: public-domain
zchunk
- Ebuilds: 5, Stable: 1.5.1, Testing: 9999 Description: File format designed for highly efficient deltas with good compression
Homepage:https://github.com/zchunk/zchunk