119 projects tagged "Compression"
Updated 24 Feb 2012
afio
| Pop | 279.55 |
|---|---|
| Vit | 6.92 |
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.
Updated 22 Sep 2010
bzip2
| Pop | 665.38 |
|---|---|
| Vit | 9.12 |
bzip2 is a portable, lossless data compressor based on the Burrows-Wheeler transform. It achieves good compression and runs on practically every (32/64-bit) platform in the known universe. The compression engine is also available as a library (libbz2), should you desire a programmatic interface.
Updated 08 Dec 1999
CoSORT
| Pop | 40.77 |
|---|---|
| Vit | 70.30 |
CoSORT delivers a high performance sorting solution for Unix/Linux data centers. CoSORT provides data manipulation, database management, and mainframe migration tools, and is ideal for accelerating database loads.
Updated 17 Apr 2004
DACT
| Pop | 134.88 |
|---|---|
| Vit | 3.90 |
DACT is a compression tool designed to compress a file dynamically, choosing the algorithm that works best per block of input data to produce an overall smaller output file.
Updated 02 Jan 2006
Dump/Restore
| Pop | 318.35 |
|---|---|
| Vit | 8.26 |
The dump package contains both dump and restore. Dump examines files in a filesystem, determines which ones need to be backed up, and copies those files to a specified disk, tape or other storage medium. The restore command performs the inverse function of dump; it can restore a full backup of a filesystem. Subsequent incremental backups can then be layered on top of the full backup. Single files and directory subtrees may also be restored from full or partial backups.
Updated 30 Jan 2001
fistgen
| Pop | 55.00 |
|---|---|
| Vit | 1.00 |
fistgen is the FiST language code generator, used to create stackable file systems out of templates and a high-level language. This package comes with stackable file system templates for Linux, Solaris, and FreeBSD. It also contains several sample file systems built using the FiST language: an encryption file system, a compression file system, and more - all of which are written as portable stackable file systems.
Updated 18 Apr 2004
LHa for UNIX
| Pop | 114.22 |
|---|---|
| Vit | 1.72 |
LHa for UNIX is a console-based utility that uncompresses and compresses .lha packages.
Updated 09 Mar 2013
pngcrush
| Pop | 391.48 |
|---|---|
| Vit | 51.73 |
pngcrush is an excellent batch-mode compression utility for PNG images. Depending on the application that created the original PNGs, it can improve the file size anywhere from a few percent to 40% or more (completely losslessly). The utility also allows specified PNG chunks (e.g. text comments) to be inserted or deleted, and it can fix incorrect gamma info written by Photoshop 5.0 as well as the erroneous iCCP chunk written by Photoshop 5.5.
Updated 01 Jan 2012
pngquant
| Pop | 65.04 |
|---|---|
| Vit | 7.09 |
pngquant is a batch conversion utility to quantize and dither truecolor PNG images, especially those with a full alpha channel, down to "RGBA-palette" PNGs (i.e., PLTE + tRNS in PNG parlance). Such images are usually two to four times smaller than the full 32-bit versions, and partial transparency is preserved quite nicely. This makes pngquant especially useful both for Web sites and for PlayStation 2 development, where one of the texture formats is RGBA-palette-based (though not PNG-compressed).
Updated 17 Oct 2003
pysync
| Pop | 177.49 |
|---|---|
| Vit | 3.22 |
Pysync has both a demonstration implementation of the rsync and related algorithms in pure Python, and a high speed librsync Python extension. The pure Python is not fast and is not optimized, however it does work and provides a simple implementation of the algorithm for reference and experimentation. It includes a combination of ideas taken from librsync, xdelta, and rsync. The librsync Python extension is less flexible and harder to understand, but is very fast.
